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Matsumura, Osaka

Akira Matsumura, Osaka JP

Patent application numberDescriptionPublished
20090062261NITROGEN-CONTAINING HETEROCYCLE DERIVATIVES SUBSTITUTED WITH CYCLIC GROUP - It was found out that the nitrogen-containing heterocyclic derivative represented by the formula (I) specifically binds to a receptor of NR1/NR2B, and is used as a NR2B receptor antagonist.03-05-2009
20090298878OXIME COMPOUNDS AND THE USE THEREOF - The invention relates to oxime compounds of Formula (I) and pharmaceutically acceptable salts, prodrugs, or solvates thereof, wherein X is hydrogen, optionally substituted aryl, optionally substituted heteroaryl or the like; Y is CO, SO12-03-2009
20090306136Benzenesulfonamide Compounds and the Use Thereof - The invention relates to azetidinyl, pyrrolidinyl, piperidinyl, and hexahydroazepinyl compounds of Formula (I): and pharmaceutically acceptable salts, prodrugs, or solvates thereof, wherein R12-10-2009
20100216726Substituted-Quinoxaline-Type Piperidine Compounds and the Uses Thereof - The invention relates to Substituted-Quinoxaline-Type Piperidine Compounds, compositions comprising an effective amount of a Substituted-Quinoxaline-Type Piperidine Compound and methods to treat or prevent a condition, such as pain, comprising administering to an animal in need thereof an effective amount of a Substituted-Quinoxaline-Type Piperidine Compound.08-26-2010
20110190300AMIDE COMPOUNDS AND THE USE THEREOF - The invention relates to amide compounds of Formula I: (I) and pharmaceutically acceptable salts, prodrugs and solvates thereof, wherein: Y is CO or SOm; Z is each optionally substituted lower alkyl, lower alkenyl, cycloalkyl, aryl, heterocyclyl, etc.; R08-04-2011
20120022069ACRYLAMIDE COMPOUNDS AND THE USE THEREOF - The invention relates to acrylamide compounds of Formula I mentioned below.01-26-2012

Patent applications by Akira Matsumura, Osaka JP

Asayuki Matsumura, Osaka JP

Patent application numberDescriptionPublished
20100235850DISK DEVICE - In order to provide a disk device, in which a disk can be prevented from being damaged and a thickness can be more reduced, a disk device according to the present invention includes, a turntable which is rotationally driven and, for placing a disk thereon, a clamper for rotatably holding the disk between the turntable and the clamper, which has a hook on a side opposite to a side on which the disk is held, a loading mechanism for carrying the disk inserted to between the turntable and the clamper, a clamp arm which includes a clamper holder for rotatably holding the clamper by a claw fitted to the hook with a clearance and an arm unit disposed pivotably on a pivot shaft positioned apart from the clamper holder, the clamp arm moving the clamper between a disk pressing position and a retreat position, and a clamper restricting member including a resilient portion capable of contacting a part of the clamper on the side opposite to the side of the clamper moved to the retreat position and on a side apart from the pivot shaft of the arm unit.09-16-2010

Hideki Matsumura, Osaka JP

Patent application numberDescriptionPublished
20120081582CONTENT PROCESSING APPARATUS - A content processing apparatus includes a plurality of first outputters. A plurality of first outputters respectively output a plurality of first contents. Each of a plurality of selectors selects any one of the plurality of first contents respectively outputted from the plurality of first outputters. A composer composes the plurality of first contents respectively outputted from the plurality of selectors. A controller controls a selection manner of each of the plurality of selectors so as to be different depending on a mode.04-05-2012

Hisashi Matsumura, Osaka JP

Patent application numberDescriptionPublished
20120001302METHOD FOR FABRICATING SEMICONDUCTOR THIN FILM USING SUBSTRATE IRRADIATED WITH FOCUSED LIGHT, APPARATUS FOR FABRICATING SEMICONDUCTOR THIN FILM USING SUBSTRATE IRRADIATED WITH FOCUSED LIGHT, METHOD FOR SELECTIVELY GROWING SEMICONDUCTOR THIN FILM USING SUBSTRATE IRRADIATED WITH FOCUSED LIGHT, AND SEMICONDUCTOR ELEMENT USING SUBSTRATE IRRADIATED WITH FOCUSED LIGHT - An apparatus (01-05-2012

Kazutoshi Matsumura, Osaka JP

Patent application numberDescriptionPublished
20090015365SURFACE-MOUNT CURRENT FUSE - A surface mount current fuse of the present invention includes a first base which has a recess and is smaller in width at the other end than at one end in the longitudinal direction, and a second base which has the same shape as the first base. The first base and the second base are combined to form a box-shaped body by joining the lower surface of the second base to the upper surface of the upper surface of the first base in such a manner that one end of the first base and the other end of the second base are in contact with each other. The recess of the first base and the recess of the second base form a space portion in which to dispose an element portion. The borderline between the first base and the second base passes through the center point on a side surface of the body. As a result, the surface mount current fuse has high production efficiency.01-15-2009

Kazuya Matsumura, Osaka JP

Patent application numberDescriptionPublished
20090068463Crimped Yarn, Method for Manufacture thereof, and Fiber Structure - A crimped yarn includes a synthetic fiber which contains an aliphatic polyester resin (A) and a thermoplastic polyamide resin (B) and exposed area ratio of the aliphatic polyester resin (A) with respect to fiber surface area is 5% or less and a crimp is imparted to a multifilament comprising said synthetic fiber, and a fiber structure containing said crimped yarn as at least a part thereof. Furthermore, a crimped yarn in which the aliphatic polyester resin (A) and the thermoplastic polyamide resin (B) are constituted of a polymer alloy type synthetic fiber, or a crimped yarn constituted by a sheath/core type composite fiber in which the core component comprises the aliphatic polyester resin (A) or a polymer alloy of the aliphatic polyester resin (A) and the thermoplastic polyamide resin (B) and the sheath component comprises the thermoplastic polyamide resin (B), and a fiber structure containing said crimped yarn as at least a part thereof.03-12-2009

Keizou Matsumura, Osaka JP

Patent application numberDescriptionPublished
20110300330RESIN MOLDING METHOD, DIE DEVICE, AND RESIN MOLDED ARTICLE - Flow gates 12-08-2011

Ken Matsumura, Osaka JP

Patent application numberDescriptionPublished
20090233118Pasty Composition for Aluminum Brazing, Aluminum-Containing Member Coated With the Same, and Method for Brazing Aluminum-Containing Members With the Same - Provided are a pasty composition for aluminum brazing which has excellent coating properties, is capable of attaining favorable dimensional accuracy of products obtained after brazing, causes less erosion, and allows favorable external appearances of brazed portions (fillets); an aluminum-containing member coated with the pasty composition for aluminum brazing; and a method, using the pasty composition for aluminum brazing, for brazing the aluminum-containing members. The pasty composition for aluminum brazing contains an aluminum-containing powder. In a case where on a cumulative grading curve of the aluminum-containing powder, a particle diameter D μm which corresponds to a Q volume % is indicated as D(Q) μm, D(50) μm is greater than or equal to 20 μm and less than or equal to 150 μm; and D(90) μm/D(10) μm is less than or equal to 5. A mass percentage of particles, in the aluminum-containing powder, which pass through a screen mesh having an opening of 45 μm is less than or equal to 50%. A flowability of the aluminum-containing powder is less than or equal to 80 seconds/50 g.09-17-2009
20100252111PASTE COMPOSITION AND SOLAR CELL ELEMENT - Provided are a paste composition capable of achieving a BSF effect which is equivalent to or greater than a conventionally achieved BSF effect even when used in either case where a thin back surface electrode layer is formed on a thick silicon semiconductor substrate or case where a thin back surface electrode layer is formed on a thin silicon semiconductor substrate and, when used in a case where a thin back surface electrode layer is formed on a thin silicon semiconductor substrate, not only capable of achieving a BSF effect which is equivalent to or greater than a conventionally achieved BSF effect, but also capable of more suppressing deformation of the silicon semiconductor substrate after being fired, than in a case where the conventional paste composition is used in order to form a thin back surface electrode layer; and a solar cell element comprising an electrode formed by using the paste composition. The paste composition comprises aluminum powder as electrically conductive powder and the aluminum powder includes flaky aluminum particles. The solar cell element comprises a back surface electrode (10-07-2010

Kohji Matsumura, Osaka JP

Patent application numberDescriptionPublished
20110001667Antenna Control Device, Reception Device, And Antenna Control Method - A reception device includes: a variable-directivity antenna; an antenna amplifier which amplifies a signal inputted from the variable-directivity antenna; a regulator which supplies DC power to the antenna amplifier; a full wave rectification unit which supplies the DC power to the regulator; a signal line; a DC power source; and a switching unit which switches connection with the DC power source. DC voltage is applied to the DC power source by the signal line so as to control the directivity of the variable-directivity antenna. Moreover, the DC power is supplied to the regulator via the full wave rectification unit. When the connection of the switching unit is switched, the DC voltage supplied to the variable-directivity antenna is reversed between positive and negative voltage but the DC voltage supplied to the regulator is not reversed.01-06-2011

Koichi Matsumura, Osaka JP

Patent application numberDescriptionPublished
20120007963ILLUMINATION CONTROLLER, ILLUMINATOR AND ILLUMINATION SYSTEM USING ILLUMINATION CONTROLLER, AND DISPLAY DEVICE AND EYEGLASS DEVICE FOR USE WITH ILLUMINATION CONTROLLER - An illumination controller including: an acquisition portion for acquiring timing information on a timing of a non-display period during which a display device switches a frame image of a stereoscopic video without displaying the frame image; and a control portion for brightening a light source configured to illuminate a space where the display device is situated in synchronism with the non-display period and for darkening the light source in synchronism with a display period during which the frame image is displayed, based on the timing information.01-12-2012

Kouichi Matsumura, Osaka JP

Patent application numberDescriptionPublished
20090083810VIDEO SERVER AND VIDEO DISTRIBUTION SYSTEM USING THE SAME - There is provided a stream transmitter for generating and transmitting a digest stream that is a single stream into which digests, each having a predetermined time length, cut out from the respective plurality of video contents stored in a contents storage are combined. This configuration allows a user to view the digest stream, which collects the digests of the respective contents, and select a desirable program by viewing each digest.03-26-2009

Masafumi Matsumura, Osaka JP

Patent application numberDescriptionPublished
20100137726ELECTRODE DEVICE AND ELECTROCARDIOGRAPHIC MEASUREMENT DEVICE - A device for electrocardiogram measurement is provided, which is relatively not easily influenced by electrical activities of muscles, and which can perform electrocardiogram measurement during a measured person's daily life without removing clothes. The device includes a pair of lead electrode sections that are provided on a band section. Each of the pair of lead electrode sections includes a lead electrode that is disposed so that the lead electrode is positioned in the vicinity of a carotid artery of the measured person when the band section surrounds a neck portion of the measured person. The band section is configured to include a flexible band, and the band section detachably holds onto the neck portion of the measured person with nipping force arising from elastic deformation of the flexible band.06-03-2010

Miharu Matsumura, Osaka JP

Patent application numberDescriptionPublished
20100110609HIGHLY DIELECTRIC FILM HAVING HIGH WITHSTANDING VOLTAGE - The present invention relates to a highly dielectric film formed by using (A) a fluorine-containing resin comprising vinylidene fluoride unit and tetrafluoroethylene unit in a total amount of not less than 95% by mole, and provides a film for a film capacitor which has high dielectric property and high withstanding voltage and can be made thin.05-06-2010
20110255211HIGHLY DIELECTRIC FILM - There is provided a highly dielectric film which has high dielectric property, can be formed into a think film and is excellent in winding property (flexibility). The highly dielectric film comprises (A) a vinylidene fluoride polymer, (B) barium titanate oxide particles and/or lead zirconium titanate oxide particles, and (C) an affinity improving agent, wherein the barium titanate oxide particles and/or lead zirconium titanate oxide particles (B) and the affinity improving agent (C) are contained in amounts of 10 to 500 parts by mass and 0.01 to 30 parts by mass, respectively based on 100 parts by mass of the vinylidene fluoride polymer (A).10-20-2011

Nao Matsumura, Osaka JP

Patent application numberDescriptionPublished
20090195964ELECTRIC DOUBLE LAYER CAPACITOR AND METHOD FOR MANUFACTURING SAME - An electric double layer capacitor includes first and second collectors, first and second polarizable electrode layers provided on the first and second collectors, respectively, a separator having an insulating property provided between the first and second polarizable electrode layers, and an electrolytic solution impregnated in the separator and the first and second polarizable electrode layers. A lower electric potential is to be applied to the second collector than to the first collector. The electrolytic solution contains anion including fluorine as electrolyte. The separator includes a separation layer facing the second polarizable electrode layer, and an inhibition layer facing the first polarizable electrode layer. The separation layer contains cellulose. The inhibition layer is made of material different from that of the separation layer. The inhibition layer prevents cellulose from decomposing. This electric double layer capacitor prevents the separator from dissolving, having an excellent long-term reliability.08-06-2009

Naoki Matsumura, Osaka JP

Patent application numberDescriptionPublished
20080248385Nonaqueous Electrolyte Secondary Battery - A nonaqueous electrolyte secondary battery of the present invention includes a nonaqueous electrolyte and a positive electrode 10-09-2008

Naomi Matsumura, Osaka JP

Patent application numberDescriptionPublished
20090264773ELECTRONIC BLOOD PRESSURE MONITOR AND METHOD OF INFORMING NUMBER OF TIMES OF MEASUREMENTS IN ELECTRONIC BLOOD PRESSURE MONITOR - For each blood pressure measurement, measured blood pressure data output by a blood pressure calculation unit is stored in a memory. On this occasion, the number of times of measurement is incremented by a number of times of measurement update unit, and data on the incremented number of times of measurement is stored in the memory. Based on information read from the memory, a number of times display data generation unit generates display data for a count result of the number of times of blood pressure measurement, and supplies the generated display data to a display control unit. Based on the supplied data, the display control unit displays the count result of the number of times of blood pressure measurement on a display unit.10-22-2009
20110208069BLOOD PRESSURE INFORMATION MEASUREMENT DEVICE - A blood pressure information measurement device instantaneously changes cuff pressure in a specified pressure section in order to detect a control target value in artery volume constant control. An artery volume signal is detected in that period, and an inflection point of the detected artery volume signal is detected by performing differentiation processing or the like. The inflection point of the detected artery volume signal is fixed as the control target value.08-25-2011
20110295130BLOOD PRESSURE MEASUREMENT DEVICE INCLUDING CUFF TO BE WRAPPED AROUND MEASUREMENT SITE - A blood pressure measurement device includes a wrapping strength detecting portion for detecting a wrapping strength of a cuff with respect to a measurement site. The wrapping strength detecting portion detects the wrapping strength of the cuff prior to calculation of a blood pressure value by a blood pressure calculation unit. That is, the wrapping strength of the cuff is detected based on a relationship indicated by a volume change ΔV12-01-2011
20120071768BLOOD PRESSURE INFORMATION MEASUREMENT DEVICE - A blood pressure information measurement device includes light emitting elements and light receiving elements as a plurality of pairs of first and second sensors in a cuff. While the cuff pressure is increased, combinations of the plurality of pairs of the light emitting elements and the light receiving elements are switched, and volume pulse waves are obtained from each of the combinations. After increasing the cuff pressure, for each of the volume pulse waves corresponding to the combinations, a specific volume value at a point where the amount of volume change becomes maximal is extracted. Thereafter, based on values corresponding to the maximum and minimum blood pressure and the specific volume value, the sensors for measurement are determined.03-22-2012

Patent applications by Naomi Matsumura, Osaka JP

Reiji Matsumura, Osaka JP

Patent application numberDescriptionPublished
20080239562IMPACT BUFFER, IMPACT BUFFERING DEVICE, AND INFORMATION PROCESSOR HAVING IMPACT BUFFERING DEVICE - An impact buffer having a high buffering effect includes two or more impact buffering members with different hardness, contacted with at least one surface of a side surface part of an HDD unit positioned orthogonally to the rotation surface of a magnetic disk of the HDD unit, supports the HDD unit, buffers an impact applied to the HDD unit by expansion and contraction, further moderates the rotation of the HDD unit in the direction causing a head arm to move onto the disk at rest, prevents the head detachment, and can overcome the weaknesses of the head arm and an inertial latch structure.10-02-2008
20110216510ELECTRONIC EQUIPMENT WITH ELECTRIC WIRING - Electronic equipment includes a first water cutoff member and a second water cutoff member on the periphery of a hole communicating from outside with a space in which an electric component such as an electric circuit board is provided. This can prevent liquid, dust, and the like, which enter a first housing from outside, from entering the space. Thus, the electric component, etc. placed in the space can be prevented from being damaged due to an electric short-circuit.09-08-2011

Shinichi Matsumura, Osaka JP

Patent application numberDescriptionPublished
20090130283 METHOD FOR PRODUCING A COFFEE BEVERAGE - The present application aims to provide a method for producing a coffee beverage in which excellent flavor, aroma, taste are contained even after the sterilization process. The method includes the steps of soaking or wetting the coffee beans with hot water, wherein the coffee beans are roasted and ground, steam-distilling the coffee beans to collect a distilled liquid, extracting a distilled residue with hot water to collect the extracted liquid, mixing the distilled liquid with the extracted liquid to obtain the coffee extract and adding agent for adjusting pH and/or ascorbic acid into the coffee extract.05-21-2009

Shinsuke Matsumura, Osaka JP

Patent application numberDescriptionPublished
20110193034COPPER-CONTAINING NANOPARTICLES AND MANUFACTURING METHOD THEREFOR - Copper-containing nanoparticles with excellent oxidation resistance is provided. The present invention relates to a method for manufacturing copper-containing nanoparticles including obtaining copper-containing nanoparticles that contain an organic component by heat treating an organic copper compound at a temperature equal to or higher than a decomposition initiation temperature of the compound and lower than a complete decomposition temperature of the compound in a non-oxidative atmosphere in the presence of an organic material containing a 1,2-alkanediol having 5 or more carbon atoms and/or a derivative thereof.08-11-2011

Shuuji Matsumura, Osaka JP

Patent application numberDescriptionPublished
20100331317BENZODIAZEPINE COMPOUND AND PHARMACEUTICAL COMPOSITION - The present invention provides a novel benzodiazepine compound that blocks the I12-30-2010

Takehiko Matsumura, Osaka JP

Patent application numberDescriptionPublished
20110160206TRI-SUBSTITUTED PYRIMIDINE COMPOUNDS AND THEIR USE AS PDE10 INHIBITORS - The present invention provides a tri-substituted pyrimidine compound having an excellent PDE10 inhibitory activity. The present invention relates to a tri-substituted pyrimidine compound represented by the following formula [I06-30-2011
20110166135AROMATIC NITROGEN-CONTAINING 6-MEMBERED RING COMPOUNDS AND THEIR USE - The present invention provides aromatic nitrogen-containing 6-membered ring compounds having excellent PDE10 inhibitory activity. The present invention relates to an aromatic nitrogen-containing 6-membered ring compound represented by the following formula [I07-07-2011

Takeo Matsumura, Osaka JP

Patent application numberDescriptionPublished
20090292033PROCESS FOR PRODUCING POROUS POLYMER PARTICLES - According to the invention, there is provided a process for producing porous polymer particles, which includes: dissolving in an organic solvent a monomer mixture containing an aromatic vinyl monomer and an aromatic divinyl monomer as major components together with a polymerization initiator to obtain a monomer solution; dispersing the monomer solution in water containing a dispersant and sodium nitrite to obtain a suspension polymerization dispersion; suspension-polymerizing the monomers in the suspension polymerization dispersion to yield porous polymer particles; and separating the porous polymer particles by filtration through a filter medium, in which the sodium nitrite is incorporated into the water in an amount in the range of 0.005 to 0.1 mg per 1 g of the water.11-26-2009

Yasuko Matsumura, Osaka JP

Patent application numberDescriptionPublished
20100137252Ophthalmic composition - The ophthalmic composition of the invention comprises (A) lecithin and (B) at least one refrigerant selected from the group consisting of camphor, borneol, eucalyptus oil, and bergamot oil. In the ophthalmic composition, the odor of lecithin is efficiently masked by the refrigerant. The odor of lecithin after aging is also masked by the refrigerant. Since the refrigerant is volatile, the concentration thereof in a composition tends to gradually decrease. It is surprising that the odor of lecithin after aging can nevertheless be masked.06-03-2010

Yasuyuki Matsumura, Osaka JP

Patent application numberDescriptionPublished
20090260991METHODS FOR PRODUCING METAL OXIDE THIN FILM, CAPACITOR, HYDROGEN SEPARATION MEMBRANE-ELECTROLYTE MEMBRANE ASSEMBLY, AND FUEL CELL - A method for producing a metal oxide thin film (10-22-2009

Yoichi Matsumura, Osaka JP

Patent application numberDescriptionPublished
20090270291Wet Lubricant Surface Coating Having Excellent Durability, Method for Surface Coating, and a Medical Device Having The Surface Coating - A lubricant surface coating having good lubricity and high durability, comprising (A) an urethane polymer layer comprising (a) 40 to 80% by weight of at least one component selected from an aromatic diisocyanate, an aliphatic diisocyanate and an alicyclic diisocyanate and (b) 20 to 60% by weight of a polyol having at least trifunctionality and (B) a hydrophilic polymer layer provided as the outer layer for the urethane polymer layer which comprises a polyalkylene glycol and/or a monomethoxypolyalkylene glycol; and a medical device having the surface coating.10-29-2009
20100041783Foam and Process for Producing the Same - It is intended to provide a resin foam which can be preferably used for medical use, and a flexible silicone type resin foam having a water-absorbing property. The resin foam which has a low toxicity and excellent physical properties for medical use such as moisture permeability, skin compatibility and low irritation can be obtained by using a resin which has a siloxane unit and an oxyalkylene unit in its molecular structure and does not contain a unit derived from an isocyanate group. Further, the flexible silicone type resin foam having a water-absorbing property can be obtained by allowing it to have a specific resin composition and a foam structure.02-18-2010

Patent applications by Yoichi Matsumura, Osaka JP

Yoshinobu Matsumura, Osaka JP

Patent application numberDescriptionPublished
20100166126OFDM RECEPTION DEVICE, OFDM RECEPTION INTEGRATED CIRCUIT, OFDM RECEPTION METHOD, AND OFDM RECEPTION PROGRAM - An OFDM reception apparatus is provided that effectively suppresses a reduction in reception performance during high-speed mobile reception, thereby making it possible to achieve stable and high-speed mobile reception. To achieve this, the OFDM reception apparatus includes a transmission channel characteristic estimating unit for calculating a transmission channel characteristic value indicating phase and amplitude distortions in an OFDM signal for each sub-carrier, the phase and amplitude distortions occurring during propagation through a transmission channel, and calculating an n-th differentiation of the transmission channel characteristic value, and an interference component removing unit for using the transmission channel characteristic value and the n-th differentiation calculated for each of the sub-carriers by the transmission channel characteristic estimating unit, to remove an interference component between the sub-carriers from the OFDM signal. The transmission channel characteristic estimating unit performs a filtering process in a symbol direction with respect to the transmission channel characteristic value calculated for each of the sub-carriers to perform oversampling at intervals each smaller than a one-symbol interval, and uses transmission channel characteristic values existing in intervals each smaller than a two-symbol interval of the transmission channel characteristic values obtained by the oversampling to calculate the n-th differentiations.07-01-2010
20100285946INFRARED TRANSMITTING GLASS FOR MOLD FORMING - The purpose of the present invention is to use chalcogenide glass to produce an infrared transmitting glass that is more suitable for mold-forming than the conventional glasses. Specifically, the invention provides an infrared transmitting glass for mold forming which contains, in molar concentrations, 2-22% of Ge, 6-34% of at least one element selected from the group consisting of Sb and Bi, 1-20% of at least one element selected from the group consisting of Sn and Zn and 58-70% of at least one element chosen from the group comprising S, Se and Te.11-11-2010
20100309383RECEPTION DEVICE, INTEGRATED CIRCUIT, DIGITAL TELEVISION RECEIVER, RECEPTION METHOD, AND RECEPTION PROGRAM - An orthogonal transform subunit 12-09-2010
20110164671RECEIVER DEVICE, INTEGRATED CIRCUIT, RECEIVING METHOD, AND RECEIVING PROGRAM - A wideband carrier frequency error calculator that, for each of a plurality of location patterns, calculates a cumulative value through a predetermined process performed on signals output by an orthogonal transformer for a plurality of sub-carrier positions determined according to a given location pattern while simultaneously shifting the signals output therefrom by one sub-carrier unit along the carrier direction and that also calculates wideband carrier frequency error according to carrier direction discrepancies calculated as maximum values within the cumulative value, and a carrier frequency error corrector that applies corrections to carrier frequency discrepancies according to the wideband carrier frequency error so calculated.07-07-2011
20110211630INTER-CARRIER INTERFERENCE REMOVAL DEVICE AND RECEPTION DEVICE USING THE SAME - An inter-carrier interface removal device can improve estimation accuracy of inter-carrier interference caused by Doppler shift in a received multi-carrier signal moving at a high speed, and a reception characteristic of the multi-carrier signal after removing the inter-carrier interference. The inter-carrier interference removal device includes a channel estimation unit estimating a channel frequency characteristic according to a carrier signal, an equalization unit equalizing the carrier signal with the channel frequency characteristic and outputs tentative carrier data, a reliability value calculation unit calculating a reliability value according to the channel frequency characteristic, a weighting unit weighting the tentative carrier data with the reliability value, an ICI component estimation unit estimating an ICI component according to the weighted tentative carrier data and the estimated channel frequency characteristic, and an ICI removal calculation unit removing the ICI component from the carrier signal.09-01-2011
20110317682OFDM TRANSMITTER DEVICE, OFDM TRANSMISSION METHOD, OFDM RECEIVER DEVICE, AND OFDM RECEPTION METHOD - An OFDM transmitter and an OFDM receiver respectively transmit and receive N (N≧2, N is an integer) control symbols. For each control symbol, a guard interval time-domain signal is, for example, identical to a signal obtained by frequency-shifting at least a portion of a useful symbol time-domain signal by an amount different from any other symbol, or to a signal obtained by frequency-shifting one or both of a portion and a span of a useful symbol interval time-domain signal different from any other symbol by a predetermined amount.12-29-2011

Yoshio Matsumura, Osaka JP

Patent application numberDescriptionPublished
20100091172ZOOM LENS SYSTEM, INTERCHANGEABLE LENS APPARATUS AND CAMERA SYSTEM - A zoom lens system is provided that includes a compactly constructed focusing lens unit and that has a suppressed change in the image magnification at the time of movement of a focusing lens unit. The zoom lens system according to the present invention comprises a plurality of lens units and an aperture diaphragm arranged in the lens unit. The plurality of lens units include: a negative lens unit that is arranged on an object side relative to the aperture diaphragm and provided with negative optical power having an absolute value greatest in the entire system and that moves in a direction along an optical axis at the time of zooming; and a focusing lens unit that is arranged in an optical path between the negative lens unit and the aperture diaphragm and that moves in a direction along the optical axis at the time of focusing such that an interval relative to the negative lens unit should vary.04-15-2010
20110002049ZOOM LENS SYSTEM, IMAGING DEVICE AND CAMERA - A zoom lens system, in order from an object side to an image side, comprising a first lens unit of positive power, a second lens unit of negative power, a third lens unit of positive power, and a fourth lens unit of positive power, wherein in zooming, the first to the fourth lens units are moved along the optical axis such that the air spaces between the individual lens units should vary, so that magnification change is achieved, and wherein the conditions: −0.6001-06-2011
20110085247ZOOM LENS SYSTEM, IMAGING DEVICE AND CAMERA - A zoom lens system, in order from an object side to an image side, comprising a first lens unit having positive optical power, a second lens unit having negative optical power, a third lens unit having positive optical power, and subsequent lens units including a fourth lens unit having optical power, wherein any one of the first lens unit, the second lens unit, the third lens unit, and the subsequent lens units includes a lens element having a reflecting surface that bends a light beam incident from an object, wherein in zooming from a wide-angle limit to a telephoto limit at the time of image taking, the first lens unit and the third lens unit do not move along an optical axis, and wherein the condition is satisfied: 1.4204-14-2011
20120026600ZOOM LENS SYSTEM, IMAGING DEVICE AND CAMERA - A zoom lens system, in order from an object side to an image side, comprising a first lens unit having positive optical power and at least one subsequent lens unit, wherein an interval between the first lens unit and a lens unit which is one of the at least one subsequent lens unit varies in zooming, and at least one lens element among all the lens elements constituting the lens system satisfies the condition: 0.0002399×vd02-02-2012
20120026601ZOOM LENS SYSTEM, IMAGING DEVICE AND CAMERA - A zoom lens system, in order from an object side to an image side, comprising a first lens unit having negative optical power and at least one subsequent lens unit, wherein a second lens unit is located closest to the object side in the subsequent lens units, an interval between the first lens unit and a lens unit which is one of the at least one subsequent lens unit varies in zooming, the condition: L02-02-2012

Patent applications by Yoshio Matsumura, Osaka JP

Yoshitaka Matsumura, Osaka JP

Patent application numberDescriptionPublished
20100255330RESIN COMPOSITION, FORMING RESIN COMPOSITION PREPARED BY USING THE SAME, LAMINATE, AND LAMINATE PRODUCING METHOD - A resin composition is provided, which comprises: an ethylene-vinyl acetate copolymer (A); and a saponified ethylene-vinyl acetate copolymer (B) having an ethylene content of not less than 70 mol %, wherein the component (B) is present in a proportion of 1 to 30 parts by weight based on 100 parts by weight of the component (A). Where the resin composition is used in combination with a scrap laminate including a polyolefin resin layer and an EVOH layer for recycling the scrap laminate, die build-up is suppressed, and a product formed from the resulting recycled material is excellent in appearance and substantially free from coloration.10-07-2010