Yamada, Ibaraki
Akimasa Yamada, Ibaraki JP
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20100163864 | SEMICONDUCTOR DEVICE - An object of the present invention is to increase the light emission efficiency of a ZnO-based optical semiconductor device. An optical semiconductor device B has a structure which includes n-type Zn | 07-01-2010 |
Eiichirou Yamada, Ibaraki JP
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20100112481 | PHOTOSENSITIVE ELEMENT - A photosensitive element | 05-06-2010 |
Kazuhiko Yamada, Ibaraki JP
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20130113121 | RESIN PASTE COMPOSITION - The present invention relates to a resin paste composition including an organic compound, and a granular aluminum powder having an average particle diameter of from 2 to 10 μm and a flake-shaped silver powder having an average particle diameter of from 1 to 5 μm which are uniformly dispersed in the organic compound, and a semiconductor device manufactured by bonding a semiconductor element onto a supporting member through the resin paste composition and then encapsulating the resulting bonded product. According to the present invention, it is possible to provide a resin paste composition used for bonding an element such as semiconductor chips onto a lead frame which is excellent in not only electrical conductivity and bonding property but also working efficiency without using a large amount of rare and expensive silver, and a semiconductor device having a high productivity and a high reliability. | 05-09-2013 |
Ken Yamada, Ibaraki JP
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20090075968 | CETP inhibitors - The present invention relates to a compound of formula | 03-19-2009 |
Koutarou Yamada, Ibaraki JP
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20100209127 | IMAGE FORMING APPARATUS AND CONTROLLING METHOD - The disclosed image forming apparatus includes a rotatable image holding body configured to hold an electrostatic latent image on a surface of the image holding body, a developing device including a forward rotation developing roller rotatable in a same rotational direction as that of the rotatable image holding body and a reverse rotation developing roller rotatable in a reverse rotational direction to that of the rotatable image holding body, which supply a two-component developer to the surface of the image holding body to form a toner image corresponding to the electrostatic latent image, and a control unit configured to control rotation of the image holding body, the forward rotation developing roller, and the reverse rotation developing roller to supply the two-component developer. The control unit controls the rotation of the image holding body to start after a predetermined time period from starting the rotation of the forward rotation developing roller and the reverse rotation developing roller. | 08-19-2010 |
20110123233 | IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD - A developing device in an image forming apparatus includes: a first developer carrier that rotates in a same direction as a rotating direction of an image carrier of the image forming apparatus so as to supply developer to the image carrier; and a second developer carrier that rotates in a direction opposite to the rotating direction of the image carrier so as to supply the developer to the image carrier. The developing device simultaneously performs a refreshing operation of performing replacement of the developer and a filming removal operation of causing the image carrier to rotate idle while forming an image for use in the refreshing operation and causing the first and second developer carriers to rotate in their respective rotating directions. | 05-26-2011 |
Kunpei Yamada, Ibaraki JP
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20120305291 | PRIMER LAYER FOR PLATING PROCESS, LAMINATE FOR WIRING BOARD AND METHOD FOR MANUFACTURE THEREOF, MULTILAYER WIRING BOARD AND METHOD FOR MANUFACTURE THEREOF - Disclosed are a primer layer for plating process exhibiting high adhesiveness to an electroless copper plating and capable of coping with high density of wirings of semiconductor packages; a laminate for wiring board having the primer layer and a method for manufacture thereof; and a multilayer wiring board having the primer layer and a method for manufacture thereof. The primer layer is formed of a resin composition including (A) a polyfunctional epoxy resin, (B) an epoxy resin curing agent, and (C) a phenolic hydroxyl group-containing polybutadiene-modified polyamide resin having specified structural units, wherein a blending proportion of the component (C) is 5 parts by mass or more and less than 25 parts by mass based on 100 parts by mass of a total sum of the component (A) and the component (B). | 12-06-2012 |
20140151091 | PRIMER LAYER FOR PLATING PROCESS, LAMINATE FOR CIRCUIT BOARD AND PRODUCTION METHOD FOR SAME, AND MULTILAYER CIRCUIT BOARD AND PRODUCTION METHOD FOR SAME - Disclosed are a primer layer for plating process exhibiting high adhesiveness to an electroless copper plating and capable of coping with high density of wirings of semiconductor packages; a laminate for wiring board having the primer layer and a method for manufacture thereof; and a multilayer wiring board having the primer layer and a method for manufacture thereof. Specifically disclosed are a primer layer for plating process formed of a resin composition for primer layer including (A) a polyfunctional epoxy resin, (B) an epoxy resin curing agent, and (C) a phenolic hydroxyl group-containing polybutadiene-modified polyamide resin having specified structural units, wherein a blending proportion of the component (C) is 5 parts by mass or more and less than 25 parts by mass based on 100 parts by mass of a total sum of the component (A) and the component (B); a laminate for wiring board having the primer layer and a method for manufacture thereof; and a multilayer wiring board having the primer layer and a method for manufacture thereof. | 06-05-2014 |
Nobuhiro Yamada, Ibaraki JP
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20090320147 | Nonhuman transgenic animal as type 2 diabetes model - The invention provides a non-human transgenic animal as a model of type 2 diabetes manifesting a symptom of type 2 diabetes by excessive expression of the active SREBP-2 protein in pancreatic β-cells by introducing a recombinant DNA in which a DNA encoding the active SREBP-2 protein is disposed under the control of a promoter, and a method for screening therapeutic agents of diabetes using the transgenic animal. | 12-24-2009 |
20120001125 | Gas mixing device, synthetic gas manufacturing apparatus, gas mixing method, and synthetic gas manufacturing method - Provides is a gas mixing device capable of promptly mixing a combustible gas with a combustion supporting gas with its simple configuration, and a synthetic gas manufacturing apparatus using the device. In a gas mixing device which supplies a combustible gas and a combustion supporting gas from flow channels of a double pipe including an inner pipe and an outer pipe and mixes the gases, a first guide member guides the gas, flowing out from a gas outflow port on one end side of the inner pipe, outward, and a second guide member is formed in an annular shape along an inner peripheral wall of the outer pipe of the second guide member so that the inner peripheral portion is located closer to the upstream side than the outer peripheral portion and the inner peripheral portion is located closer to the center than the outer peripheral portion of the first guide member. In addition, a third guide member is provided so as to face a region surrounded by the second guide member. | 01-05-2012 |
20140283683 | FLUID SEPARATION APPARATUS AND METHOD OF SELECTIVELY SEPARATING MIXED FLUID - A fluid separation apparatus is described, including a casing and a separation module. The casing includes a mixed fluid inlet, a separated fluid outlet through which a selectively separated fluid is discharged, and a residual fluid outlet. The separation module has a set of serially arranged separation elements disposed therein and is insertable into the casing from an end of the casing. The separation module includes a first connection jig disposed between adjacent separation elements second connection jigs disposed at two ends of the set of serially arranged separation elements, and a coupling jig coupling the first and the second connection jigs to each other. | 09-25-2014 |
Shunsuke Yamada, Ibaraki JP
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20110200888 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - An object is to provide a high capacity non-aqueous electrolyte secondary battery in which decomposition of propylene carbonate is suppressed. The non-aqueous electrolyte secondary battery includes: a negative electrode including graphite particles as a negative electrode active material; a positive electrode; a separator; and a non-aqueous electrolyte including propylene carbonate as a non-aqueous solvent. Each of the graphite particles has a surface portion including an amorphous region and a crystal region which includes a plurality of carbon hexagonal net planes stacked along a surface of the graphite particle. Ends of the stacked carbon hexagonal net planes form loops exposed on the surface of the graphite particle. At least a part of the loops are stacked, and the average number of the loops stacked is more than 1 and not more than 2. | 08-18-2011 |
20120070733 | CARBON MATERIAL FOR LITHIUM ION SECONDARY BATTERY - To provide a negative electrode material capable of giving a lithium ion secondary battery that is sufficiently small in the charge/discharge irreversible capacity observed at the initial cycle stage, has excellent high-temperature storage characteristics, and reduced in the gas generation at the initial cycle stage as well as during high-temperature storage. | 03-22-2012 |
20140065479 | CARBON MATERIAL FOR NONAQUEOUS SECONDARY BATTERY, NEGATIVE ELECTRODE USING CARBON MATERIAL AND NONAQUEOUS SECONDARY BATTERY - This invention aims to provide a carbon material for a nonaqueous secondary battery having a high capacity and excellent charging/discharging load characteristics, which is used as a negative electrode material for a nonaqueous secondary battery. This invention relates to a carbon material for a nonaqueous secondary battery, which has a specific (1) Raman R value, (2) N atom concentration/C atom concentration ratio, and (3) S atom concentration/C atom concentration ratio. | 03-06-2014 |
Takao Yamada, Ibaraki JP
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20140257581 | COMPUTATION DEVICE WHICH OPTIMIZES SOLAR POWER GENERATION, METHOD WHICH OPTIMIZES SOLAR POWER GENERATION, SOLAR POWER GENERATION SYSTEM, AND SOLAR POWER GENERATION SIMULATION SYSTEM - Disclosed is a computation device for optimizing photovoltaic power generation by computing a wire connection pattern of a plurality of photovoltaic modules, the computation device including a parameter acquisition unit configured to acquire a parameter including at least a current value from each of the photovoltaic modules; a class classification unit configured to perform class classification of the photovoltaic modules based on the parameter acquired by the parameter acquisition unit; and a wire connection pattern selection unit configured to select the wire connection pattern based on the class classification performed by the class classification unit. | 09-11-2014 |
Takatoshi Yamada, Ibaraki JP
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20090121614 | DIAMOND ELECTRON SOURCE HAVING CARBON-TERMINATED STRUCTURE AND METHOD FOR PRODUCING THE SAME - The present invention provides a diamond electron source exerting stable and excellent electron emission characteristics, which can be used for a cold cathode surface structure operable with low voltage and a method for producing the diamond electron source. Specifically, the diamond electron source having a carbon-terminated structure has a structure composed of an electrode and a diamond film and emits electrons or electron beams from the diamond film when voltage is applied to the electrode. The diamond film is made of diamond having a carbon-terminated structure. The method for producing the diamond electron source is also provided herein. | 05-14-2009 |
20090167139 | PHOSPHORUS-DOPED DIAMOND FILM ALLOWING SIGNIFICANTLY REDUCED ELECTRON EMISSION VOLTAGE, METHOD FOR PRODUCING THE SAME, AND ELECTRON SOURCE USING THE SAME - According to the present invention, a phosphorus-doped diamond film allowing a significantly reduced electron emission voltage, a method for producing the same, and a diamond electron source using the same, such diamond electron source exerting stable and excellent electron emission characteristics, which can be used for a cold cathode surface structure operable with low voltage, are provided. Also, a method for producing a phosphorus-doped diamond film, comprising growing a diamond film on a diamond substrate by a microwave CVD method in an atmosphere containing gases (methane and hydrogen) and phosphorus with the use of tertiary butyl phosphorus as a source of addition of phosphorous, such diamond film containing phosphorus at a concentration of 10 | 07-02-2009 |
Takeo Yamada, Ibaraki JP
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20090233058 | Carbon nanotube structure and method for producing the same - An arbitrary three-dimensional shaped structure which is integrally formed with only carbon nanotubes having desired physical properties and electrical properties, and anisotropy, and a method for producing the same are disclosed. The carbon nanotube structure is constituted of a carbon nanotube aggregate comprising plural carbon nanotubes oriented in the same direction, wherein the carbon nanotube has weight density of 0.1 g/cm | 09-17-2009 |
20090297846 | Double-Walled Carbon Nanotube, Aligned Double-Walled Carbon Nanotube Bulk Structure and Process for Producing the Same - An aligned double-walled carbon nanotube bulk structure composed of plural aligned double-walled carbon nanotubes and having a height of 0.1 μm or more and a double-walled carbon nanotube are produced by chemically vapor depositing (CVD) a carbon nanotube in the presence of a metal catalyst with controlled particle size and thickness, preferably in the presence of moisture. According to this, it is possible to provide a double-walled nanotube which is free from inclusion of the catalyst, has high purity, is easy to control the alignment and growth, is able to achieve the fabrication through the formation of a bulk structure and has excellent electron emission characteristic (particularly, a double-walled carbon nanotube bulk structure) and also to provide a production technology thereof. | 12-03-2009 |
20110111177 | CARBON NANOTUBE FILM STRUCTURE AND METHOD FOR MANUFACTURING THE SAME - A method of producing a carbon nanotube film structure having a substrate and a carbon nanotube layer, comprises a placing step of placing a carbon nanotube film comprising a plurality of carbon nanotubes aligned in one direction within a film plane on the substrate; and a densifying step of applying a densifying treatment to the carbon nanotube film thereby forming the carbon nanotube layer having the weight density of the carbon nanotube to 0.1 g/cm | 05-12-2011 |
20140093694 | CARBON NANOTUBE FILM STRUCTURE AND METHOD FOR MANUFACTURING THE SAME - A method of producing a carbon nanotube film structure having a substrate and a carbon nanotube layer, comprises a placing step of placing a carbon nanotube film comprising a plurality of carbon nanotubes aligned in one direction within a film plane on the substrate; and a densifying step of applying a densifying treatment to the carbon nanotube film thereby forming the carbon nanotube layer having the weight density of the carbon nanotube to 0.1 g/cm | 04-03-2014 |
Tatsuhiko Yamada, Ibaraki JP
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20120329100 | LIGNIN-BASED ENZYME STABILIZER - The invention relates to an enzyme stabilizer comprising a lignin derivative produced by reaction between lignin and a hydrophilic compound, and to a method of saccharifying lignocellulosic biomass which employs the enzyme stabilizer. According to the invention it is possible to accomplish effective saccharification of cellulosic biomass with saccharifying enzymes, by enhancing saccharifying enzyme activity and preventing nonspecific adsorption of saccharifying enzyme onto substrate. | 12-27-2012 |
Teppei Yamada, Ibaraki JP
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20130095379 | NONAQUEOUS ELECTROLYTE SOLUTION AND LITHIUM SECONDARY BATTERY USING SAME - A non-aqueous electrolyte solution is provided that realizes a large capacity, exhibits high storage characteristics and cycle characteristics, and is capable of inhibiting gas generation. | 04-18-2013 |
20130196225 | NONAQUEOUS ELECTROLYTE SOLUTION AND LITHIUM SECONDARY BATTERY USING SAME - A non-aqueous electrolyte solution is provided that realizes a large capacity, exhibits high storage characteristics and cycle characteristics, and is capable of inhibiting gas generation. | 08-01-2013 |
Tokahiro Yamada, Ibaraki JP
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20080316280 | Liquid discharging head, method of manufacturing liquid discharging head, and image forming apparatus - A liquid discharging head includes: a plurality of nozzles that discharge liquid droplets; and a plurality of piezoelectric elements that generate pressure for discharging liquid droplets from the respective nozzles, wherein the piezoelectric elements are performed with repolarization process to set non-uniformity of the droplet discharging characteristics of the nozzles to be in a predetermined range by combining adjustment of a polarization sensitivity and adjustment of a polarization voltage for each of the piezoelectric elements. | 12-25-2008 |
Toshikazu Yamada, Ibaraki JP
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20130149811 | METHOD FOR MANUFACTURING ORGANIC SEMICONDUCTOR THIN FILM AND MONOCRYASTALLINE ORGANIC SEMICONDUCTOR THIN FILM - The first object of the present invention is to provide a method for manufacturing a uniform organic semiconductor thin film consisting of single organic molecule with extremely few pinholes and of which both quality and thickness are uniform when the organic semiconductor thin film is manufactured by printing process. The second object of the present invention is to manufacture a monocrystalline organic semiconductor of which almost the entire region consists of a single monocrystal, by printing process. | 06-13-2013 |
20140255709 | LAMINATE, METHOD FOR PRODUCING THE SAME, AND METHOD FOR FORMING CONDUCTIVE PATTERN - A laminate that includes a metal layer that is not easily separated from a substrate, a method for producing the laminate, and a method for forming a fine conductive pattern that exhibits high conductivity, are disclosed. The peel strength of a metal layer included in a laminate that includes a polymer layer provided between a substrate and the metal layer is improved by implementing a structure in which the metal that forms the metal layer is chemically bonded to COO that extends from the polymer main chain that forms the polymer layer at the interface between the metal layer and the polymer layer. A fine conductive pattern that exhibits high conductivity can be formed by applying UV light to a pattern area of an insulating film formed on a substrate, and applying an ink prepared by dispersing metal nanoparticles in a solvent to the substrate. | 09-11-2014 |
Tskeshi Yamada, Ibaraki JP
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20100084965 | POLYMER MATERIAL AND POLYMER LIGHT-EMITTING DEVICE - Disclosed is a luminescent or charge-transporting polymer compound having a main chain containing a divalent heterocyclic group, a divalent condensed polycyclic hydrocarbon group including no five-membered ring, a group represented by the formula (1) below or a divalent aromatic amine group as a repeating unit, and a functional side chain containing at least one functional group selected from the group consisting of hole injecting/transporting groups, electron injecting/transporting groups, and light-emitting groups. This polymer compound is characterized in that the functional group is directly bonded to a saturated carbon atom in the repeating unit or bonded to the repeating unit via X is an —R | 04-08-2010 |
Yoshiro Yamada, Ibaraki JP
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20130294480 | METHOD AND SYSTEM OF MEASURING SURFACE TEMPERATURE - The present invention provides a measuring method and a measuring system that are capable of accurately measuring the surface temperature of a surface to be measured, without being influenced by the emissivity distribution of the surface to be measured. A surface to be measured that has an emissivity distribution, a radiometer that measures a radiance distribution of the surface to be measured, and an auxiliary heat source installed in a specular reflection position from the radiometer with respect to the surface to be measured are prepared, radiances of two places having different emissivities of the surface to be measured are measured at two different auxiliary-heat-source temperatures, a reflectance ratio of the two places having the different emissivities is calculated on the basis of two measured radiances of the two places having the different emissivities, and temperature of the surface to be measured is obtained using the reflectance ratio and the measured radiances of the two places having the different emissivities. | 11-07-2013 |
Yumi Yamada, Ibaraki JP
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20110211608 | SEMICONDUCTOR LASER ELEMENT - A semiconductor laser element includes an active layer, an n-type carrier blocking layer arranged so as to be adjacent to the active layer and having a bandgap width that is equal to or greater than those of barrier layers, an n-type waveguide layer arranged on a side opposite to a side of the n-type carrier-blocking layer on which the active layer is arranged, so as to be adjacent to the n-type carrier blocking layer, an n-type clad layer arranged on a side opposite to a side of the n-type waveguide layer on which the active layer is arranged, so as to be adjacent to the n-type waveguide layer, and having a bandgap width that is greater than that of the n-type waveguide layer, and a p-type clad layer arranged on a side opposite to a side of the active layer on which the n-type carrier blocking layer is arranged, so as to be adjacent to the active layer, and having a bandgap width that is greater than those of the barrier layers and the n-type waveguide layer. | 09-01-2011 |