Patents by Inventor Kazuhiko Yamada
Kazuhiko Yamada has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20130113121Abstract: 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 ?m and a flake-shaped silver powder having an average particle diameter of from 1 to 5 ?m 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.Type: ApplicationFiled: June 10, 2011Publication date: May 9, 2013Inventors: Chiaki Okada, Kazuhiko Yamada, Yukari Inoue
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Publication number: 20120236008Abstract: Disclosed are an image generating apparatus and an image generating method with which the size of a storage region required to display animated images can be suppressed. In the image generating apparatus (1), processing blocks (12, 16, 17) configuring an image generation unit obtain object data segment (130p) and a display operation pattern to be applied to the object data segment (130p) from data storage units (13, 14), in accordance with a specified picture-plane configuration information item (150i) , and generate animated images of the object data segment (130p) in accordance with the object data segment (130p) and the display operation pattern.Type: ApplicationFiled: September 1, 2010Publication date: September 20, 2012Inventors: Kazuhiko Yamada, Tomoaki Ryu
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Patent number: 8221882Abstract: A process for producing inorganic spheres, which comprises injecting an aqueous liquid containing an inorganic compound into a laminar flow of an organic liquid which runs at a flow rate of from 0.001 to 2 m/s in a flow path through a porous membrane to form a W/O type emulsion and solidifying the aqueous liquid containing an inorganic compound in the W/O type emulsion.Type: GrantFiled: June 15, 2004Date of Patent: July 17, 2012Assignee: Asahi Glass Company, LimitedInventors: Kenji Yamada, Shin Tatematsu, Kazuhiko Yamada
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Patent number: 8136373Abstract: A conduit structure for molten glass, a conduit system for molten glass, a vacuum degassing apparatus and a method for vacuum-degassing molten glass by use of the vacuum degassing apparatus, which are capable of effectively removing components eluted from a refractory brick forming a conduit for molten glass, foreign substances generated in the interface between molten glass and a platinum wall surface forming a conduit for molten glass, a bubble remaining in a surface layer of molten glass, a glass material denatured by volatilization, and the like, are provided.Type: GrantFiled: February 26, 2009Date of Patent: March 20, 2012Assignee: Asahi Glass Company, LimitedInventors: Michito Sasaki, Motoichi Iga, Hajime Itoh, Kazuhiko Yamada, Masahiro Saitou
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Publication number: 20120022286Abstract: To provide a process for safely producing a perfluoroacyl peroxide with good productivity. By supplying a perfluoroacyl halide-containing organic solvent solution, an aqueous solution of hydrogen peroxide or a metal peroxide, and an aqueous basic alkali metal compound solution to a tubular reactor to allow them to react with one another, in a flow rate ratio of, as represented by molar ratio of the compounds in the solutions, from 1.00 to 1.35 of the basic alkali metal compound and from 0.60 to 40 of hydrogen peroxide or the metal peroxide per 1 of the perfluoroacyl halide, the yield of a perfluoroacyl peroxide based on the material perfluoroacyl halide can be remarkably improved as compared with conventional technique.Type: ApplicationFiled: September 29, 2011Publication date: January 26, 2012Applicant: ASAHI GLASS COMPANY LIMITEDInventors: Katsuya Ueno, Toshiyuki Tanaka, Mayako Takahashi, Kazuhiko Yamada, Fusaaki Takeo, Shoji Furuta
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Patent number: 8013582Abstract: A voltage control circuit accepts an input voltage and produces a regulated output voltage. Embodiments provide improved responsiveness to variations in input voltage, load current, and ambient temperature. Exemplary embodiments include an NPN transistor connected between the input and output terminals, which is controlled by a feedback circuit. In an embodiment, the feedback circuit includes a PMOS transistor and in another embodiment the feedback circuit includes a PNP transistor.Type: GrantFiled: September 24, 2008Date of Patent: September 6, 2011Assignee: Oki Semiconductor Co., Ltd.Inventors: Kazuhiko Yamada, Shigemitsu Horikawa
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Patent number: 7976812Abstract: A core-shell silica having a high sphericity and a narrow particle distribution and a method for easily producing the core-shell silica which includes dispersing substantially non-porous silica core particles having a sphericity of at least 0.8 and a coefficient of variation of at most 0.2 in a dispersion medium containing an alcohol and water in the presence of a surfactant to prepare a dispersion; adding a silica material to the dispersion and reacting the silica material under a condition of pH of from 8 to 13 to form a shell precursor containing silica and the surfactant on the surface of each silica core particle; and removing the surfactant from the shell precursor to form a porous shell.Type: GrantFiled: October 14, 2008Date of Patent: July 12, 2011Assignee: Asahi Glass Company, LimitedInventors: Kenji Yamada, Kazuhiko Yamada
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Patent number: 7902333Abstract: The present invention provides methods for labeling One or two oxygen atom(s) in a carboxyl group of a carboxyl-containing compound with an oxygen isotope selected from oxygen-17 (17O) or oxygen-18 (18O). The methods of the present invention are characterized in that an activated ester of the carboxyl-containing compound (carboxylic acid) is reacted with H217O or H218O in the presence of an activator. In the methods of the present invention, the reaction between the activated ester of a carboxylic acid and H217O or H218O can be allowed to proceed without including drastic conditions such as strongly acidic conditions or alkaline hydrolysis because an activator is used.Type: GrantFiled: May 20, 2005Date of Patent: March 8, 2011Assignee: RikenInventors: Shigeyuki Yokoyama, Kazuhiko Yamada, Toshio Yamazaki
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Publication number: 20110022929Abstract: An error correcting apparatus includes a memory for storing therein second block data at an interval of a time difference while it uses a part of a storage area of first block data having multiple pieces of frame data each having data having a predetermined length as one unit, and an error correcting portion configured to subject the first block data and the second block data each read out from the memory to error correction.Type: ApplicationFiled: July 7, 2010Publication date: January 27, 2011Applicant: Sony CorporationInventor: Kazuhiko Yamada
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Patent number: 7795540Abstract: A cable includes an elastic member extendable and compressible in a first direction and a first conductor having a meandering portion embedded in the elastic member. The meandering portion meanders within the elastic member and extends in the first direction. It is preferable that a plurality of coating members are arranged in parallel in the first direction and coupled to a surface of the elastic member. In addition, it is preferable that each of the coating members is harder than the elastic member.Type: GrantFiled: January 3, 2008Date of Patent: September 14, 2010Assignee: Japan Aviation Electronics Industry LimitedInventors: Kazuhiko Yamada, Tomishige Tai
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Publication number: 20100041864Abstract: To provide a process for producing, simply and with high reproducibility, a double metal cyanide complex catalyst having an organic ligand, which has a high catalytic activity, a small particle size and a high particle size uniformity. A process for producing a double metal cyanide complex catalyst having an organic ligand, comprising (a) a step of contacting an aqueous metal halide compound solution and an aqueous transition metal cyanide compound solution in a laminar flow state to obtain a liquid containing a double metal cyanide complex, and (b) a step of mixing the liquid containing a double metal cyanide complex, and an organic ligand, to obtain a dispersion containing a double metal cyanide complex catalyst having an organic ligand.Type: ApplicationFiled: October 8, 2009Publication date: February 18, 2010Applicant: ASAHI GLASS COMPANY, LIMITEDInventors: Yoshinobu KADOWAKI, Shigeru Ikai, Yasuyuki Sasao, Kazuhiko Yamada, Kenji Yamada
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Patent number: 7591501Abstract: A hatchback door structure for a vehicle includes an inner panel which is arranged on an inner side of the vehicle; and an outer panel which is arranged on an outer side of the vehicle, wherein the inner panel includes a frame which has a shape outlining an outer shape of a hatchback door, wherein a window frame portion on which a window glass is mounted is formed in an upper portion of the frame, and a locking device fixing portion for fixing a locking device is formed on a bottom of the frame. A V-shaped stiffening frame portion is integrally formed with the frame, and extends from both a bottom left corner and a bottom right corner of the window frame to the locking device fixing portion, wherein the V-shaped stiffening frame portion protrudes toward the outer panel from an inner side contour of the frame with respect to the vehicle.Type: GrantFiled: March 8, 2007Date of Patent: September 22, 2009Assignee: Honda Motor Co., Ltd.Inventors: Takeki Tanaka, Tomofumi Ichinose, Kazuhiko Yamada
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Publication number: 20090165501Abstract: A conduit structure for molten glass, a conduit system for molten glass, a vacuum degassing apparatus and a method for vacuum-degassing molten glass by use of the vacuum degassing apparatus, which are capable of effectively removing components eluted from a refractory brick forming a conduit for molten glass, foreign substances generated in the interface between molten glass and a platinum wall surface forming a conduit for molten glass, a bubble remaining in a surface layer of molten glass, a glass material denatured by volatilization, and the like, are provided.Type: ApplicationFiled: February 26, 2009Publication date: July 2, 2009Applicant: ASAHI GLASS CO., LTD.Inventors: Michito Sasaki, Motoichi Iga, Hajime Itoh, Kazuhiko Yamada, Masahiro Saitou
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Patent number: 7537267Abstract: A hatchback door structure for vehicles which includes an inner panel arranged on an inner side of a vehicle; and an outer panel arranged on an outer side of the vehicle, wherein the inner panel includes a frame which has a shape outlining an outer shape of the hatchback door, and a pair of stiffening ribs which is integrally formed with the frame and extends approximately in a V-shape to both side portions of the frame from a bottom side of the frame. Further, the inner panel is integrally formed by press-forming and includes a discrete lateral beam which is fixed and extends between jointing portions of the side portions of the frame and stiffening ribs, wherein, the discrete lateral beam is formed by press-forming, and a window frame on which a window glass is fixed is formed in an upper portion of the frame.Type: GrantFiled: January 24, 2007Date of Patent: May 26, 2009Assignee: Honda Motor Co., Ltd.Inventors: Takeki Tanaka, Tomofumi Ichinose, Kenichi Munenaga, Kazuhiko Yamada, Yoshitomo Ihashi
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Publication number: 20090096438Abstract: A voltage control circuit accepts an input voltage and produces a regulated output voltage. Embodiments provide improved responsiveness to variations in input voltage, load current, and ambient temperature. Exemplary embodiments include an NPN transistor connected between the input and output terminals, which is controlled by a feedback circuit. In an embodiment, the feedback circuit includes a PMOS transistor and in another embodiment the feedback circuit includes a PNP transistor.Type: ApplicationFiled: September 24, 2008Publication date: April 16, 2009Inventors: Kazuhiko Yamada, Shigemitsu Horikawa
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Publication number: 20090053524Abstract: To provide a core-shell silica having a high sphericity and a narrow particle distribution and a method for easily producing the core-shell silica. A method for producing a core-shell silica, which comprises a step of dispersing substantially non-porous silica core particles having a sphericity of at least 0.8 and a coefficient of variation of at most 0.2 in a dispersion medium containing an alcohol and water in the presence of a surfactant to prepare a dispersion; a step of adding a silica material to the dispersion and reacting the silica material under a condition of pH of from 8 to 13 to form a shell precursor containing silica and the surfactant on the surface of each silica core particle; and a step of removing the surfactant from the shell precursor to form a porous shell.Type: ApplicationFiled: October 14, 2008Publication date: February 26, 2009Applicant: Asahi Glass Company, LimitedInventors: Kenji Yamada, Kazuhiko Yamada
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Publication number: 20080206820Abstract: The present invention provides methods for labeling One or two oxygen atom(s) in a carboxyl group of a carboxyl-containing compound with an oxygen isotope selected from oxygen-17 (17O) or oxygen-18 (18O). The methods of the present invention are characterized in that an activated ester of the carboxyl-containing compound (carboxylic acid) is reacted with H217O or H218O in the presence of an activator. In the methods of the present invention, the reaction between the activated ester of a carboxylic acid and H217O or H218O can be allowed to proceed without including drastic conditions such as strongly acidic conditions or alkaline hydrolysis because an activator is used.Type: ApplicationFiled: May 20, 2005Publication date: August 28, 2008Inventors: Shigeyuki Yokoyama, Kazuhiko Yamada, Toshio Yamazaki
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Publication number: 20080173463Abstract: A cable includes an elastic member extendable and compressible in a first direction and a first conductor having a meandering portion embedded in the elastic member. The meandering portion meanders within the elastic member and extends in the first direction. It is preferable that a plurality of coating members are arranged in parallel in the first direction and coupled to a surface of the elastic member. In addition, it is preferable that each of the coating members is harder than the elastic member.Type: ApplicationFiled: January 3, 2008Publication date: July 24, 2008Applicant: Japan Aviation Electronics Industry, LimitedInventors: Kazuhiko YAMADA, Tomishige Tai
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Publication number: 20070210613Abstract: A hatchback door structure a vehicle, which comprises: an inner panel which is arranged on an inner side of the vehicle; and an outer panel which is arranged on an outer side of the vehicle, wherein the inner panel comprises: a frame which has a shape outlining an outer shape of a hatchback door, wherein a window frame on which a window glass is mounted is formed in an upper portion of the frame and a locking device fixing portion for fixing a locking device is formed on a bottom of the frame; and a V-shaped stiffening frame which is integrally formed with the frame and extends from both a bottom left corner and a bottom tight corner of the window frame to the locking device fixing portion, wherein the V-shaped stiffening frame protrudes toward the outer panel from an inner side contour of the frame with respect to the vehicle.Type: ApplicationFiled: March 8, 2007Publication date: September 13, 2007Applicant: Honda Motor Co., Ltd.Inventors: Takeki Tanaka, Tomofumi Ichinose, Kazuhiko Yamada
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Publication number: 20070170751Abstract: A hatchback door structure for vehicles which includes an inner panel arranged on an inner side of a vehicle; and an outer panel arranged on an outer side of the vehicle, wherein the inner panel includes a frame which has a shape outlining an outer shape of the hatchback door, and a pair of stiffening ribs which is integrally formed with the frame and extends approximately in a V-shape to both side portions of the frame from a bottom side of the frame. Further, the inner panel is integrally formed by press-forming and includes a discrete lateral beam which is fixed and extends between jointing portions of the side portions of the frame and stiffening ribs, wherein, the discrete lateral beam is formed by press-forming, and a window frame on which a window glass is fixed is formed in an upper portion of the frame.Type: ApplicationFiled: January 24, 2007Publication date: July 26, 2007Applicant: Honda Motor Co., Ltd.Inventors: Takeki Tanaka, Tomofumi Ichinose, Kenichi Munenaga, Kazuhiko Yamada, Yoshitomo Ihashi