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Sadayuki

Sadayuki Aoki, Takahagi JP

Patent application numberDescriptionPublished
20130011713Battery Module and Power Supply Apparatus - Equalization of a temperature distribution in a flow direction on a cooling plate is facilitated so that temperatures of plural cells that thermally contact with the cooling plate are equalized, to reduce variability in the state of charge-discharge and the lifetimes of the respective cells. A battery module includes a cooling plate having a refrigerant channel in which a refrigerant circulates, and plural cells that are thermally conductively coupled onto a surface of the cooling plate, in which the refrigerant channel is formed with plural large diameter pipes that decelerate the refrigerant, and plural small diameter pipes that accelerate the refrigerant, a channel sectional area of the large diameter pipes is larger than a refrigerant channel sectional area of the small diameter pipes arranged on an inflow side of the large diameter pipes.01-10-2013

Sadayuki Aoki, Takahagi-Shi JP

Patent application numberDescriptionPublished
20110248719Electrical Storage Module - An electrical storage module includes: a plurality of electrical storage units; electrical storage unit connecting conductors electrically connecting the plurality of electrical storage units; and a voltage detection line unit electrically connected to the plurality of electrical storage units for detecting a voltage of each of the plurality of the electrical storage units, wherein: the voltage detection line unit is unitized with the electrical storage unit connecting conductors, includes voltage detection lines for each detecting the voltage of one of the plurality of the electrical storage units, and is configured such that, when the electrical storage unit connecting conductors are mechanically connected to the plurality of electrical storage units, the voltage detection lines are electrically connected to the electrical storage units.10-13-2011
20120028099Electric Storage Module and Electric Storage Device - An electric storage module includes: a cooling plate with a predetermined thickness between a front surface and a rear surface, with the front surface and the rear surface functioning as cooling surfaces by a coolant flowing in the cooling plate; a first battery row made up with a plurality of battery cells, to be cooled by the cooling plate, arrayed along a predetermined direction, with one end surfaces of the battery cells being coupled with the front surface of the cooling plate so as to achieve thermal conduction; and a second battery row made up with a plurality of battery cells, to be cooled by the cooling plate, arrayed along a predetermined direction, with one end surfaces of the battery cells being coupled with the rear surface of the cooling plate so as to achieve thermal conduction.02-02-2012

Sadayuki Inoue, Tokyo JP

Patent application numberDescriptionPublished
20080247332Network Configuration Management Method, Network Band Management Method, Network Participation Method, and Communication Terminal Device - A network configuration management includes the steps of sending from the management terminal (10-09-2008

Sadayuki Ishiguro, Hiratsuka-Shi JP

Patent application numberDescriptionPublished
20110073230PNEUMATIC TIRE - A pneumatic tire having a designated rotational direction is disclosed, wherein an entire area having a width 85% of a total tire width and a center area having a width 30% of the total tire width are defined in a tread portion. A center main groove is positioned on a tire equatorial line and extends in a tire circumferential direction. Subsidiary main grooves are positioned on two sides of the center main groove and extend in the tire circumferential direction. Angled and lateral grooves extend at an angle, in a direction opposite the rotational direction towards an outside in the tire width direction. Lateral grooves extend from each subsidiary main groove. Sub grooves extend from the lateral grooves towards the rotational direction. A total length of a block edge in the center area is from 40% to 60% of a total length of a block edge in the entire area.03-31-2011

Sadayuki Iwai, Yokohama City JP

Patent application numberDescriptionPublished
20080310865IMAGE FORMING APPARATUS - An image forming apparatus includes an image carrying member, a development unit, a first driving unit, a second driving unit, and a cleaning blade. The image carrying member forms a latent image thereon. The development unit develops the latent image formed on the image carrying member. The first driving unit drives the image carrying member. The second driving unit drives the development unit. The cleaning blade, contactable against the image carrying member, removes materials including toner remaining on the image carrying member. When an agent-empty development unit is filled with a developing agent, the second driving unit is activated to start a driving of the development unit, and the first driving unit is activated to start a driving of the image carrying member after starting a developing agent filling operation to the development unit.12-18-2008

Sadayuki Kaba, Gunma JP

Patent application numberDescriptionPublished
20090231362Method of Reproducing Microscope Observation, Device of Reproducing Microscope Observation, Program for Reproducing Microscope Observation, and Recording Media Thereof - A plurality of data of still image for screening and zooming shot at maximum magnification to perform magnified observation with regard to a plurality of divided areas obtained by dividing a shoot target area in a microscopic image such that a portion of a peripheral portion of each of the dividing areas is overlapped to each other, and a plurality of data of still image for focusing shot by respectively shifting focus in each of the divided areas, are created. From data of tiled still image for screening and zooming and data of edited still images for focusing, which are obtained by applying a predetermined processing to the data of still image, an animated image for screening, an animated image for zooming, and an animated image for focusing are created, and an animated image reproducing motion of a microscopic image in actual microscope observation is displayed on a computer screen. And, when a mouse cursor is located on a specific region of the animated image, a comment balloon about the specific region is displayed.09-17-2009

Sadayuki Kamiya, Kariya-City JP

Patent application numberDescriptionPublished
20090032231Stacked plate heat exchanger - The stacked plate oil cooler has a first plate and a second plate. Both the first plate and the second plate are made of a three-layered aluminum alloy clad sheet. The second plate is folded at an outer rim to place the brazing material layer on both sides of the second plate. The first and second plates and are stacked alternately and brazed to define a water passage between sacrificial layers and, and to define an oil passage between brazing material layers. The first plate is folded at an outer rim to place the sacrificial layer on a lateral outside of a core assembly to decrease exposure of the brazing material layer to the lateral outside.02-05-2009

Sadayuki Kobayashi, Nagoya JP

Patent application numberDescriptionPublished
20120202944POLYLACTIC ACID STEREOCOMPLEX, METHOD FOR PRODUCTION THEREOF, AND NUCLEATING AGENT FOR POLYLACTIC ACID RESIN - A polylactic acid stereocomplex has a crystal melting peak temperature of 215° C. or more, wherein the crystal melting peak is a single peak and has a peak half width of 12° C. or less, and a crystal melting enthalpy of 60 J/g or more as measured by differential scanning calorimetry. The polylactic acid stereocomplex has a high melting point, good heat resistance, and a high level of mechanical properties and chemical resistance. The method for producing a polylactic acid stereocomplex includes chaotic mixing of 30 to 70 parts by weight of (A) poly-L-lactic acid and 30 to 70 parts by weight of (B) poly-D-lactic acid based on 100 parts by weight of the total of (A) poly-L-lactic acid and (B) poly-D-lactic acid.08-09-2012

Sadayuki Makino, Aichi-Ken JP

Patent application numberDescriptionPublished
20100037529OUTER DOOR HANDLE GASKET FOR AUTOMOTIVE VEHICLES - A door handle for a door of an automotive vehicle having a first gasket attached at a distal end of the door handle and a second gasket attached at a proximate end of the door handle. The first gasket and second gasket have an inner surface facing the outer surface of the door and an outer surface facing the respective ends of the door handle. The first gasket and the second gasket also include a lip formed of a resilient material, which protrudes outwardly relative to the outer surface of gaskets and extends longitudinally along the edge of the gaskets to sealingly engage the ends of the door handle. The lip is embossed so that it is recessed relative to the inner surface of the gasket to accommodate compression of the lip as the handle is displaced towards the door. A flattened portion extends from an end of the lip on the first gasket to dampen noise due to impact between the distal end of the door handle and an outer surface of the door.02-18-2010

Sadayuki Makino, Nagoya-Shi JP

Patent application numberDescriptionPublished
20080197582OUTER DOOR HANDLE GASKET FOR AUTOMOTIVE VEHICLES - A gasket is used for sealing an interface between an outer surface of a door and a door handle of an automotive vehicle. The gasket includes opposite inner and outer surfaces, wherein the inner surface of the gasket faces the door and the outer surface of the gasket faces the handle. The gasket also includes a lip that protrudes outwardly relative to the outer surface of the gasket and extends longitudinally along an edge of the gasket to sealingly engage the handle. The lip is embossed so that it is recessed relative to the inner surface of the gasket to accommodate compression of the lip as the handle is displaced toward the door. A flattened portion extends from an end of the lip to dampen noise due to impact between the handle and a door outer panel of the door.08-21-2008
20100077567DOOR HANDLE DEVICE FOR VEHICLE - A door handle device for a vehicle includes a base portion arranged along a door panel of a door of the vehicle and including an attaching surface facing the door panel, an operating handle movably supported at the base portion relative thereto, a rotating shaft extending in a direction perpendicular to the attaching surface of the base portion, a rotating lever supported by the rotating shaft and rotating in accordance with an operation of the operating handle, an interlock cable mechanism including a cable case and a cable and transmitting displacement caused by the rotation of the rotating lever to a door lock device arranged at the door, a plurality of cable case attaching portions arranged at the base portion, to which the cable case is selectively attached, and a plurality of cable connecting portions arranged at the rotating lever, to which the cable is selectively connected.04-01-2010
20100078947DOOR HANDLE FOR VEHICLE - A door handle for a vehicle includes a base portion adapted to be mounted on the vehicle door, a handle rotation shaft supported by the base portion, an operating handle rotatably held around the handle rotation shaft and having a first engagement portion, and a counter weight having a second engagement portion engaging with the first engagement portion provided at the operating handle and a stopper portion preventing a disengagement between the first engagement portion of the operating handle and the second engagement portion by connecting with the handle rotation shaft.04-01-2010

Patent applications by Sadayuki Makino, Nagoya-Shi JP

Sadayuki Matsumoto, Tokyo JP

Patent application numberDescriptionPublished
20090034901OPTICAL FIBER SENSOR - An optical fiber sensor that can detect a liquid level or detect a property of liquid with high reliability even under a frequently vibrational environment. The optical fiber sensor includes an optical fiber that includes a core having an area where a grating is formed and a clad, and is disposed so that at least a part of the area with the grating is immersed in liquid, a light source for making light incident to the optical fiber so that a cladding mode light having a wavelength band is occurred by the grating, and a light receiving unit for detecting the intensity of light which is incident from the light source to the optical fiber and transmitted through the grating.02-05-2009

Patent applications by Sadayuki Matsumoto, Tokyo JP

Sadayuki Nakamura, Shunan-Shi JP

Patent application numberDescriptionPublished
20090120536Ferritic Stainless steel material for automobile exhaust gas passage components - To provide a ferritic stainless steel material for automobile exhaust gas passage components usable in a high-temperature range over 900° C. and even over 950° C. The ferritic stainless steel material has excellent heat resistance and low-temperature toughness and has a composition comprising, in terms of % by mass, at most 0.03% of C, at most 1% of Si, from 0.6 to 2% of Mn, at most 3% of Ni, from 10 to 25% of Cr, from 0.3 to 0.7% of Nb, from more than 1 to 2% of Cu, from 1 to 2.5% of Mo, from 1 to 2.5% of W, at most 0.15% of Al, from 0.03 to 0.2% of V, and at most 0.03% of N, and optionally containing any of B, Co, W, Ti, Zr, REM and Ca with a balance of Fe and inevitable impurities, and the composition satisfies restrictive formulae 1.2Nb+5Mo+6Cu≧11.5 and 15Nb+2Mo+0.5Cu≧10.5. The steel material has a texture where the total amount of Nb and Mo existing as a precipitation phase is at most 0.2% by mass.05-14-2009
20100068040Exhaust Guide Member of Nozzle Vane-Type Turbocharger - In a turbocharger equipped with a nozzle vane for changing the speed of exhaust gas running through a turbine in accordance with the speed of engine revolution, the member to constitute the nozzle vane and to constitute an exhaust guide for guiding exhaust gas to the turbine is characterized in that the exhaust guide member of a nozzle vane-type turbocharge is formed of an austenite stainless steel containing, in terms of % by mass, at most 0.08% of C, from 2.0 to 4.0% of Si, at most 2.0% of Mn, from 8.0 to 16.0% of Ni, from 18.0 to 20.0% of Cr and at most 0.04% of N and containing these ingredients in such a manner that they satisfy a DE value of the specified formula to be from 5.0 to 12.0, with a balance of Fe and inevitable impurities.03-18-2010
20100200101AL-PLATED STEEL SHEET FOR EXHAUST GAS PASSAGEWAY MEMBERS OF MOTORCYCLES AND THE MEMBERS - Provided is an Al-plated steel sheet for motorcycle exhaust gas passageway members excellent in red scale resistance, which is produced by dipping a substrate steel sheet comprising, in terms of % by mass, at most 0.02% of C, at most 1% of Si, at most 1% of Mn, from 5 to 25% of Cr, at most 0.3% of Ti, at most 0.02% of N, and optionally at least one of at most 0.6% of Ni, at most 0.1% of Nb, at most 0.2% of Al, at most 3% of Mo, at most 3% of Cu, at most 3% of W, at most 0.5% of V, at most 0.5% of Co and at most 0.01% of B, with a balance of Fe and inevitable impurities, in a hot-dip Al-base plating bath to thereby form a hot-dip plating layer having a mean thickness of from 3 to 20 μm on the surface thereof.08-12-2010
20100203357AL-PLATED STEEL SHEET FOR EXHAUST GAS PASSAGEWAY MEMBERS OF MOTORCYCLES EXCELLENT IN HIGH-TEMPERATURE STRENGTH AND THE MEMBERS - Provided is an Al-plated steel sheet for motorcycle exhaust gas passageway members excellent in high-temperature strength and red scale resistance, which is produced by dipping a substrate steel sheet comprising, in terms of % by mass, at most 0.02% of C, at most 2% of Si, at most 2% of Mn, from 5 to 25% of Cr, from more than 0.1 to 1% of Nb, at most 0.3% of Ti, at most 0.02% of N, and optionally at least one of at most 0.6% of Ni, at most 0.2% of Al, at most 3% of Mo, at most 3% of Cu, at most 3% of W, at most 0.5% of V, at most 0.5% of Co and at most 0.01% of B, with a balance of Fe and inevitable impurities, in a hot-dip Al-base plating bath to thereby form a hot-dip plating layer having a mean thickness of from 3 to 20 μm on the surface thereof.08-12-2010

Sadayuki Nakamura, Yamaguchi JP

Patent application numberDescriptionPublished
20120085513FERRITIC STAINLESS STEEL MATERIAL FOR BRAZING AND HEAT EXCHANGER MEMBER - A ferritic stainless steel material for brazing without grain coarsening has a partially recrystallized structure and composition comprising, in % by mass, C:0.03% or less, Si: more than 0.1 to 3%, Mn: 0.1 to 2%, Cr: 10 to 35%, Nb: 0.2 to 0.8%, N: 0.03% or less, if necessary, at least one of Mo, Cu, V and W: 4% or less in total, at least one of Ti and Zr: 0.5% or less in total, at least one of Ni and Co: 5% or less in total, or at least one of Al: 6% or less, REM (rare earth metal): 0.2% or less and Ca: 0.1% or less, the remainder being Fe and unavoidable impurities, wherein area ratio in percentage of recrystallized grains formed by heating after cold working is from 10 to 80%.04-12-2012
20120111529FERRITIC STAINLESS STEEL FOR EGR COOLER AND EGR COOLER - A ferritic stainless steel suitable for use as an EGR cooler member, which can be Ni-brazed into an EGR cooler, contains, by mass, C: at most 0.03%, Si: from more than 0.1 to 3%, Mn: from 0.1 to 2%, Cr: from 10 to 25%, Nb: from 0.3 to 0.8%, and N: at most 0.03%, and optionally selectively contains (a) one or more of Mo, Cu, V and W in a total amount of at most 4%, (b) one or more of Ti, Al and Zr in a total amount of at most 0.3%, (c) one or more of Ni and Co in a total amount of at most 5%, and (d) one or more of REMs (rare earth metals) and Ca in a total amount of at most 0.2%, with a balance of Fe and inevitable impurities.05-10-2012

Sadayuki Nakano, Ichihara-Shi JP

Patent application numberDescriptionPublished
20090093580RUBBER COMPOSITION AND VIBRATION-PROOF MATERIAL - There is provided a rubber composition containing the following components: (A): an ethylene-α-olefin-nonconjugated polyene copolymer rubber, (B): a natural rubber, (C): an organic peroxide, (D): an aromatic amine compound, and (E): an aluminum-based inorganic compound.04-09-2009
20090176916RUBBER COMPOSITION AND VIBRATION-PROOF MATERIAL - There is provided a rubber composition containing the following components: (A): an ethylene-α-olefin-nonconjugated polyene copolymer rubber, (B): a natural rubber, (C): an organic peroxide, (D): an aromatic amine compound, and (E): silica.07-09-2009
20100222445COPOLYMER RUBBER COMPOSITION, RUBBER FOAMED PRODUCT, AND AUTOMOTIVE SEALANT - The copolymer rubber composition comprises 60 to 75% by weight of a copolymer rubber (1) and 40 to 25% by weight of a copolymer rubber (2), and [iodine value of the copolymer rubber (1)—iodine value of the copolymer rubber (2)] is 5 to 30. The copolymer rubber (1) is an ethylene-α-olefin-nonconjugated polyene copolymer rubber having an ethylene unit of 50 mol % to 70 mol %, an α-olefin unit of 50 mol % to 30 mol %, and an iodine value of 15 to 45, and the copolymer rubber (2) is an ethylene-α-olefinic copolymer rubber having an ethylene unit of more than 70 mol % and 95 mol % or less, an α-olefin unit of less than 30 mol % and 5 mol % or more, and an iodine value of 10 to 30.09-02-2010
20100222515COPOLYMER RUBBER COMPOSITION, MOLDED PRODUCT, AND AUTOMOTIVE SEALANT - The copolymer rubber composition comprises 60 to 75% by weight of a copolymer rubber (1) and 40 to 25% by weight of a copolymer rubber (2), and exhibits a difference in iodine value of 5 to 30 between the copolymer rubber (1) and the copolymer rubber (2). The copolymer rubber (1) is an ethylene-α-olefin-nonconjugated polyene copolymer rubber having an ethylene unit of 50 mol % to 70 mol %, an α-olefin unit of 50 mol % to 30 mol %, and an iodine value of 10 to 30, and the copolymer rubber (2) is an ethylene-α-olefinic copolymer rubber having an ethylene unit of more than 70 mol % and 95 mol % or less, an α-olefin unit of less than 30 mol % and 5 mol % or more, and an iodine value of 0 to 8.09-02-2010
20120059123COPOLYMER RUBBER COMPOSITION, RUBBER FOAMED PRODUCT, AND AUTOMOTIVE SEALANT - The copolymer rubber composition comprises 60 to 75% by weight of a copolymer rubber (1) and 40 to 25% by weight of a copolymer rubber (2), and [iodine value of the copolymer rubber (1)−iodine value of the copolymer rubber (2)] is 5 to 30. The copolymer rubber (1) is an ethylene-α-olefin-nonconjugated polyene copolymer rubber having an ethylene unit of 50 mol % to 70 mol %, an α-olefin unit of 50 mol % to 30 mol %, and an iodine value of 15 to 45, and the copolymer rubber (2) is an ethylene-α-olefinic copolymer rubber having an ethylene unit of more than 70 mol % and 95 mol % or less, an α-olefin unit of less than 30 mol % and 5 mol % or more, and an iodine value of 10 to 30.03-08-2012
20120202947COPOLYMER RUBBER COMPOSITION, MOLDED PRODUCT, AND AUTOMOTIVE SEALANT - The copolymer rubber composition comprises 60 to 75% by weight of a copolymer rubber (1) and 40 to 25% by weight of a copolymer rubber (2), and exhibits a difference in iodine value of 5 to 30 between the copolymer rubber (1) and the copolymer rubber (2). The copolymer rubber (1) is an ethylene-α-olefin-nonconjugated polyene copolymer rubber having an ethylene unit of 50 mol % to 70 mol %, an α-olefin unit of 50 mol % to 30 mol %, and an iodine value of 10 to 30, and the copolymer rubber (2) is an ethylene-α-olefinic copolymer rubber having an ethylene unit of more than 70 mol % and 95 mol % or less, an α-olefin unit of less than 30 mol % and 5 mol % or more, and an iodine value of 0 to 8.08-09-2012

Patent applications by Sadayuki Nakano, Ichihara-Shi JP

Sadayuki Nishimura, Yokohama JP

Patent application numberDescriptionPublished
20090148688OPTICAL MATERIALS - An optical material having a reflecting membrane, an enhanced reflecting membrane, or an anti-reflecting membrane formed with coating is provided. The optical material includes an optical material matrix, and a first inorganic compound layer and a second inorganic compound layer which are alternately stacked on the optical material matrix, wherein the first inorganic compound layer is formed of a titanium compound having a hydrolysable residue and oilophilic smectite and has a refractive index higher than the refractive index of the optical material matrix, and wherein the second inorganic compound layer includes silicon oxide and has a refractive index lower than the refractive index of the optical material matrix.06-11-2009

Patent applications by Sadayuki Nishimura, Yokohama JP

Sadayuki Ohnishi, Kawasaki JP

Patent application numberDescriptionPublished
20080290522CARBON CONTAINING SILICON OXIDE FILM HAVING HIGH ASHING TOLERANCE AND ADHESION - A semiconductor device includes an interlayer insulating film formed on or over a semiconductor substrate. An opening is formed in the interlayer insulating film and reaches a lower layer metal wiring conductor. A metal plug is formed by filling the opening with Cu containing metal via a barrier metal. The interlayer insulating film includes the insulating film which includes a carbon containing silicon oxide (SiOCH) film which has Si—CH2 bond in the carbon containing silicon oxide film. The proportion of Si—CH2 bond (1360 cm-1) to Si—CH3 bond (1270 cm-1) in the insulating film is in a range from 0.03 to 0.05 measured as a peak height ratio of FTIR spectrum.11-27-2008

Sadayuki Okazaki, Katano-Shi JP

Patent application numberDescriptionPublished
20090013522Method for manufacturing lithium secondary battery and apparatus for manufacturing the same - A manufacturing method of the present invention includes ejecting a melt 01-15-2009

Sadayuki Tanabe, Fuwa-Gun JP

Patent application numberDescriptionPublished
20090243297SPEED REDUCER FOR USE IN YAW DRIVE APPARATUS FOR WIND POWER GENERATION APPARATUS, AND YAW DRIVE METHOD AND APPARATUS FOR WIND POWER GENERATION APPARATUS USING THE SPEED REDUCER - A yaw drive method of a wind power generation apparatus, in which a second gear engaged with a first gear attached to one of tower or a wind power generation unit supported to the upper end of the tower so as to be capable of yawing and supported to a tower or to the upper end of the tower is rotated by a drive motor attached to the other of the tower or the wind power generation unit for yawing the wind power generation unit. A drive energy, which is supplied to the drive motor for a predetermined time from when the supply of the drive energy to the drive motor begins to start, is made to be smaller than the drive energy supplied to the drive motor in a common yawing.10-01-2009

Sadayuki Ueha, Kanagawa JP

Patent application numberDescriptionPublished
20090267450Vibration Actuator - It is an subject of the present invention to provide a vibration actuator in which a plurality of rotors can be driven by a single vibration unit.10-29-2009

Sadayuki Watanabe, Matsumoto City JP

Patent application numberDescriptionPublished
20090081484MAGNETIC RECORDING MEDIUM - A magnetic recording medium for thermally assisted recording is disclosed which achieves both high density writing and good control of temperature characteristics. The magnetic recording medium for thermally assisted recording comprises an underlayer, a magnetic recording layer, and a protective layer sequentially laminated on a nonmagnetic substrate. The magnetic recording layer has a structure composed of two magnetic layers and an exchange coupling control layer inserted between the magnetic layers, the two magnetic layers being magnetically coupled through the exchange coupling control layer. The coupling energy Jw in the process of writing a signal and the coupling energy Jr in the state of retaining a signal satisfy a relation 003-26-2009
20090239100MAGNETIC RECORDING MEDIUM AND METHOD OF MANUFACTURING SAME - A magnetic recording medium is formed by stacking in order, on a nonmagnetic base, at least an underlayer, magnetic recording layer, and protective layer. The magnetic recording layer includes a plurality of magnetic layers and an exchange-coupling control layer, and the magnetic recording medium is characterized in that a physical pattern is formed in the exchange-coupling control layer. The exchange-coupling control layer is located between the magnetic layers of the magnetic recording layer.09-24-2009
20120028077PERPENDICULAR MAGNETIC RECORDING MEDIUM - A perpendicular magnetic recording medium is disclosed that enables a high track density while maintaining good OW characteristics, SNR, and thermal stability. The medium includes a magnetic recording layer on a non-magnetic base, wherein the magnetic recording layer includes a first magnetic layer, a first exchange coupling control layer, a second magnetic layer, a third magnetic layer, and a fourth magnetic layer, in that order. It is preferable that when the perpendicular magnetic anisotropy constants of the first magnetic layer, second magnetic layer, third magnetic layer, and fourth magnetic layer are Ku02-02-2012

Patent applications by Sadayuki Watanabe, Matsumoto City JP

Sadayuki Watanabe, Tokyo JP

Patent application numberDescriptionPublished
20100233515PERPENDICULAR MAGNETIC RECORDING MEDIUM - A perpendicular type of magnetic recording medium has a multi-layered recording structure made up of a plurality of ferro-magnetic layers and a non-magnetic layer interposed between the plurality of ferro-magnetic layers, and the perpendicular magnetic anisotropy energy of the lower ferro-magnetic layer is greater than the perpendicular magnetic anisotropy energy of the upper ferro-magnetic layer. Accordingly, the lower ferro-magnetic layer may be easily magnetically reversed by a magnetic field applied during a write operation. Thus, the perpendicular type of magnetic recording medium exhibits an enhanced thermal stability and write-ability.09-16-2010
20100233516PERPENDICULAR MAGNETIC RECORDING MEDIUM - A perpendicular type of magnetic recording medium includes a substrate, a soft magnetic underlying section including a plurality of distinct layers soft magnetic material, a recording section, and an intermediate section upon which the recording section is formed. The intermediate section is provided to improve the crystal orientation and impart a desired magnetic characteristic to the recording section. An uppermost one of the layers of soft magnetic material which, of all of the layers of soft magnetic material, is disposed closest to the intermediate section is predisposed to induce the intermediate section to crystallize in a desired way as it is formed. Therefore, the intermediate section may have a minimal thickness and yet achieve a crystallization that is sufficient to control the forming of the recording section.09-16-2010