Patents by Inventor Nobuaki Kimura
Nobuaki Kimura 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: 20050106337Abstract: The invention relates to a transfer sheet suitable for the formation of electrode patterns, dielectric layers, barrier layers, etc. in plasma display panels (PDPs), field emission displays (FEDS), liquid crystal displays (LCDS), fluorescent displays, hybrid integrated circuits, etc. The transfer sheet comprises a base film and a transfer layer releasably provided on the base film, optionally with a protective film provided on the transfer layer. The transfer layer comprises an inorganic component including a glass frit and an organic component removable by firing, optionally with an electrically conductive powder.Type: ApplicationFiled: September 28, 2004Publication date: May 19, 2005Inventors: Yozo Kosaka, Katsuhiko Mizuno, Sakurako Hatori, Kounosuke Tanaka, Nobuaki Kimura, Toshihiko Takeda
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Patent number: 6893767Abstract: A method for producing a fuel cell unit including a membrane electrode assembly formed by a solid polymer electrolyte membrane and a pair of electrodes located at both sides of the solid polymer electrolyte membrane, and a pair of separators which hold the membrane electrode assembly. The method includes the steps of applying liquid sealant to one of a marginal portion of the solid polymer electrolyte membrane, the marginal portion being not covered by the pair of electrodes when assembled, and a surface of each of the pair of separators, the surface corresponding to the marginal portion of the solid polymer electrolyte membrane; holding the solid polymer electrolyte membrane with the pair of separators to perform temporary assembling; and solidifying the liquid sealant while maintaining a temporary assembling state.Type: GrantFiled: February 11, 2002Date of Patent: May 17, 2005Assignee: Honda Giken Kogyo Kabushiki KaishaInventors: Harumi Hatano, Nobuaki Kimura, Masajiro Inoue, Hiroyuki Tanaka
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Patent number: 6872485Abstract: A sealing structure in a fuel cell comprises a pair of separators including gas passages and a membrane electrode assembly held by the pair of separators and having a polymerized electrolytic membrane and a electrode layer so as to form a fuel cell. The sealing structure seals a sealing portion between the pair of the separators and the polymerized electrolytic membrane. A sealing groove is provided to the sealing portion of one of the separators, and a first seal has a thickness greater than the depth of the sealing groove and a portion which is gradually narrowed toward an end thereof. A protrusion is provided to the sealing portion of the other separator, and a second seal having a constant width is provided to the front surface of the protrusion. The polymerized electrolytic membrane is held by the first seal and the second seal.Type: GrantFiled: July 17, 2001Date of Patent: March 29, 2005Assignee: Honda Giken Kogyo Kabushiki KaishaInventors: Masajirou Inoue, Nobuaki Kimura, Makoto Tsuji
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Patent number: 6800166Abstract: The invention relates to a transfer sheet suitable for the formation of electrode patterns, dielectric layers, barrier layers, etc. in plasma display panels (PDPs), field emission displays (FEDS), liquid crystal displays (LCDs), fluorescent displays, hybrid integrated circuits, etc. The transfer sheet comprises a base film and a transfer layer releasably provided on the base film, optionally with a protective film provided on the transfer layer. The transfer layer comprises an inorganic component including a glass frit and an organic component removable by firing, optionally with an electrically conductive powder.Type: GrantFiled: August 29, 2002Date of Patent: October 5, 2004Assignee: Dal Nippon Printing Co., Ltd.Inventors: Yozo Kosaka, Katsuhiko Mizuno, Sakurako Hatori, Kounosuke Tanaka, Nobuaki Kimura, Toshihiko Takeda
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Publication number: 20040137305Abstract: The fuel cell of the present invention comprises: a membrane electrode assembly having a solid polymer electrolyte membrane, an anode side diffusion electrode (an anode electrode, and a second diffusion layer) disposed at one side of the solid polymer electrolyte membrane, and a cathode side diffusion electrode (a cathode electrode, and a first diffusion layer) disposed at the other side of the solid polymer electrolyte membrane; a pair of separators which hold the membrane electrode assembly; a projecting portion which extends from the solid polymer electrolyte membrane and which projects from the peripheries of the anode side diffusion electrode and the cathode side diffusion electrode; and a seal, provided on the separators, which was liquid sealant at the time of application. The seal makes contact with the projecting portion while the membrane electrode assembly is disposed between the separators.Type: ApplicationFiled: January 6, 2004Publication date: July 15, 2004Applicant: Honda Giken Kogyo Kabushiki KaishaInventors: Masajiro Inoue, Nobuaki Kimura, Toshihiko Suenaga, Harumi Hatano
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Patent number: 6699613Abstract: The fuel cell of the present invention comprises: a membrane electrode assembly having a solid polymer electrolyte membrane, an anode side diffusion electrode (an anode electrode, and a second diffusion layer) disposed at one side of the solid polymer electrolyte membrane, and a cathode side diffusion electrode (a cathode electrode, and a first diffusion layer) disposed at the other side of the solid polymer electrolyte membrane; a pair of separators which hold the membrane electrode assembly; a projecting portion which extends from the solid polymer electrolyte membrane and which projects from the peripheries of the anode side diffusion electrode and the cathode side diffusion electrode; and a seal, provided on the separators, which was liquid sealant at the time of application. The seal makes contact with the projecting portion while the membrane electrode assembly is disposed between the separators.Type: GrantFiled: May 2, 2001Date of Patent: March 2, 2004Assignee: Honda Giken Kogyo Kabushiki KaishaInventors: Masajiro Inoue, Nobuaki Kimura, Toshihiko Suenaga, Harumi Hatano
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Patent number: 6692860Abstract: A fuel cell includes a membrane electrode assembly having a solid polymer electrolyte membrane, an anode side diffusion electrode and a cathode side diffusion electrode located at both sides of the solid polymer electrolyte membrane, and a pair of separators which holds the membrane electrode assembly. The fuel cell also includes a first seal and a second seal. The first seal is disposed between one of the separators and a periphery portion of whichever of the anode side diffusion electrode and the cathode side diffusion electrode has the larger surface area so as to surround whichever of the anode side diffusion electrode and the cathode side diffusion electrode has the smaller surface area. The second seal is disposed between the separators so as to surround whichever of the anode side diffusion electrode and the cathode side diffusion electrode has the larger surface area.Type: GrantFiled: April 27, 2001Date of Patent: February 17, 2004Assignee: Honda Giken Kogyo Kabushiki KaishaInventors: Masajiro Inoue, Nobuaki Kimura, Narutoshi Sugita, Hideaki Kikuchi
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Patent number: 6677072Abstract: A fuel cell is provided where assembly of the seals is facilitated and excellent sealability and miniaturization becomes possible. This is achieved by a fuel cell (N) where an electrode film structure (12) having an anode electrode (A) provided on one side of a solid polymer electrolyte film (15), and a cathode electrode (C) provided on the other side thereof is clamped with an anode-side separator (13) and a cathode-side separator (14), wherein a groove (38) is provided in a surface (13a, 14a) of each separator (13) and (14) corresponding to the outer peripheral portion of the anode electrode (A) or the cathode electrode (C), and a seal (S1) having a circular shape in cross-section and with a fin (F) is provided in this groove (38).Type: GrantFiled: September 4, 2001Date of Patent: January 13, 2004Assignee: Honda Giken Kogyo Kabushiki KaishaInventors: Toshihiko Suenaga, Masajiro Inoue, Nobuaki Kimura
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Patent number: 6667124Abstract: A seal in a fuel cell for sealing a membrane electrode assembly comprises a pair of catalytic electrode layers, a polymerized electrolytic membrane held between the catalytic layers, and a gas diffusion layer layered on the outer surface of the catalytic electrode layer. The seal is integrally formed with the polymerized electrolytic membrane. The height thereof is greater than that of the gas diffusion layer. The difference between the heights of the polymerized electrolytic membrane and the gas diffusion layer is constant.Type: GrantFiled: July 17, 2001Date of Patent: December 23, 2003Assignee: Honda Giken Kogyo Kabushiki KaishaInventors: Toshihiko Suenaga, Masajirou Inoue, Nobuaki Kimura
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Patent number: 6623325Abstract: This invention is a method of forming ribs of a plasma display panel by transfer-printing a glass paste on a glass substrate. The method comprises; forming a recess having a configuration corresponding to ribs arranged in parallel with each other and a joining element joining the ribs, filling the recess with the glass paste, and starting transfer-printing the glass paste on the glass substrate from a portion of the glass paste corresponding to the joining element filled in the recess. The method ensures that the glass paste comes off substantially completely from within the recess as it is being transfer-printed on the glass substrate and that the ribs are formed with high precision.Type: GrantFiled: January 7, 2002Date of Patent: September 23, 2003Assignee: Dai Nippon Printing Co., Ltd.Inventors: Yoshiaki Tsuruoka, Nobuaki Kimura
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Publication number: 20030108727Abstract: The invention relates to a transfer sheet suitable for the formation of electrode patterns, dielectric layers, barrier layers, etc. in plasma display panels (PDPs), field emission displays (FEDS), liquid crystal displays (LCDs), fluorescent displays, hybrid integrated circuits, etc. The transfer sheet comprises a base film and a transfer layer releasably provided on the base film, optionally with a protective film provided on the transfer layer. The transfer layer comprises an inorganic component including a glass frit and an organic component removable by firing, optionally with an electrically conductive powder.Type: ApplicationFiled: August 29, 2002Publication date: June 12, 2003Inventors: Yozo Kosaka, Katsuhiko Mizuno, Sakurako Hatori, Kounosuke Tanaka, Nobuaki Kimura, Toshihiko Takeda
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Patent number: 6534546Abstract: Compounds represented by the general formula (1): (where R1 is SR6 or NR7R8, where R6 is typically an alkyl group having 1-6 carbon atoms, R7 is a hydrogen atom, an alkyl group having 1-6 carbon atoms or a nitro group, and R8 is a hydrogen atom or an alkyl group having 1-6 carbon atoms; R2 and R3 are each typically a hydrogen atom or an alkyl group having 1-6 carbon atoms; R4 is a hydrogen atom, an alkyl group having 1-6 carbon atoms or an amidino group of which the amine portion may be substituted by an alkyl or nitro group; R5 is a hydrogen atom or an alkyl group having 1-6 carbon atoms; Y1, Y2, Y3 and Y4 which may be the same or different are each typically a hydrogen atom, a halogen atom or an alkoxy group having 1-6 carbon atoms; n and m are each an integer of 0 or 1), or possible stereoisomers or optically active forms of the compounds or pharmaceutically acceptable salts thereof.Type: GrantFiled: June 6, 1997Date of Patent: March 18, 2003Assignee: Chugai Seiyaku Kabushiki KaishaInventors: Toshio Honda, Toshihiko Makino, Toshiaki Nagafuji, Yasushi Kitoh, Nobuaki Kimura
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Publication number: 20020122970Abstract: A method for fabricating a seal-integrated separator for a fuel cell is presented, with which seals can be accurately positioned and the assembling time for the fuel cell units may be greatly reduced.Type: ApplicationFiled: December 6, 2001Publication date: September 5, 2002Applicant: HONDA GIKEN KOGYO KABUSHIKI KAISHAInventors: Masajiro Inoue, Toshihiko Suenaga, Nobuaki Kimura, Keisuke Andou
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Publication number: 20020117780Abstract: A method for fabricating a seal-integrated separator for a fuel cell is presented, with which seals can be accurately positioned and the assembling time for the fuel cells may be greatly reduced. The method comprises the steps of: providing an upper mold having a groove positioned corresponding to second and fourth seals disposed on one side of a separator body, and a lower mold having a groove positioned corresponding to first and third seals disposed on the other side of the separator body; holding the separator body between the upper mold and the lower mold; and injecting melted seal material to form the seals into each of the grooves in the upper mold and the lower mold through separate gates respectively formed in the upper and lower molds. Through this method, a seal-integrated separator having the first to fourth seals which are integrated on both sides of the separator body is fabricated.Type: ApplicationFiled: November 30, 2001Publication date: August 29, 2002Applicant: HONDA GIKEN KOGYO KABUSHIKI KAISHAInventors: Masajirou Inoue, Toshihiko Suenaga, Nobuaki Kimura, Keisuke Andou
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Publication number: 20020110721Abstract: A method for producing a fuel cell unit including a membrane electrode assembly formed by a solid polymer electrolyte membrane and a pair of electrodes located at both sides of the solid polymer electrolyte membrane, and a pair of separators which hold the membrane electrode assembly. The method includes the steps of applying liquid sealant to one of a marginal portion of the solid polymer electrolyte membrane, the marginal portion being not covered by the pair of electrodes when assembled, and a surface of each of the pair of separators, the surface corresponding to the marginal portion of the solid polymer electrolyte membrane; holding the solid polymer electrolyte membrane with the pair of separators to perform temporary assembling; and solidifying the liquid sealant while maintaining a temporary assembling state.Type: ApplicationFiled: February 11, 2002Publication date: August 15, 2002Applicant: HONDA GIKEN KOGYO KABUSHIKI KAISHAInventors: Harumi Hatano, Nobuaki Kimura, Masajiro Inoue, Hiroyuki Tanaka
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Publication number: 20020081480Abstract: A liquid thermosetting sealing agent for a polymer electrode membrane fuel cell having separators and a membrane electrode assembly laminated, whose the viscosity at the application is from 1,000 to 9,000 Pa.S, can be used to prepare a highly durable seal for a polymer electrode membrane fuel cell, to produce a single cell having a highly durable seal and to recover the fuel cell whose seal becomes abnormality.Type: ApplicationFiled: November 8, 2001Publication date: June 27, 2002Applicant: HONDA GIKEN KOGYO KABUSHIKI KAISHAInventors: Masajirou Inoue, Teruyuki Ohtani, Hiroyuki Tanaka, Nobuaki Kimura
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Publication number: 20020081476Abstract: A solid polymer electrolyte membrane comprising a base film and a moisture-proof layer. The moisture-proof layer may be disposed on an outer edge portion of the base film. The solid polymer electrolyte membrane according to an embodiment of the present invention is for use in a fuel cell, and comprises the base film having an electricity-generating region and a non-electricity-generating region, and the moisture-proof layer disposed on at least a part of the non-electricity-generating region. A fuel cell using the solid polymer electrolyte membrane is also provided.Type: ApplicationFiled: October 24, 2001Publication date: June 27, 2002Applicant: HONDA GIKEN KOGYO KBUSHIKI KAISHAInventors: Toshihiko Suenaga, Nobuaki Kimura
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Publication number: 20020067128Abstract: This invention is a method of forming ribs of a plasma display panel by transfer-printing a glass paste on a glass substrate. The method comprises; forming a recess having a configuration corresponding to ribs arranged in parallel with each other and a joining element joining the ribs, filling the recess with the glass paste, and starting transfer-printing the glass paste on the glass substrate from a portion of the glass paste corresponding to the joining element filled in the recess. The method ensures that the glass paste comes off substantially completely from within the recess as it is being transfer-printed on the glass substrate and that the ribs are formed with high precision.Type: ApplicationFiled: January 7, 2002Publication date: June 6, 2002Applicant: DAI NIPPON PRINTING CO., LTD.Inventors: Yoshiaki Tsuruoka, Nobuaki Kimura
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Publication number: 20020068211Abstract: A liquid thermosetting sealing agent for a polymer electrode membrane fuel cell having separators and a membrane electrode assembly laminated, whose the viscosity at the application is from 1,000 to 9,000 Pa.S, can be used to prepare a highly durable seal for a polymer electrode membrane fuel cell, to produce a single cell having a highly durable seal and to recover the fuel cell whose seal becomes abnormality.Type: ApplicationFiled: October 12, 2001Publication date: June 6, 2002Inventors: Masajirou Inoue, Teruyuki Ohtani, Hiroyuki Tanaka, Nobuaki Kimura
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Publication number: 20020055027Abstract: A sealing structure in a fuel cell comprises a pair of separators including gas passages and a membrane electrode assembly held by the pair of separators and having a polymerized electrolytic membrane and a electrode layer so as to form a fuel cell. The sealing structure seals a sealing portion between the pair of the separators and the polymerized electrolytic membrane. A sealing groove is provided to the sealing portion of one of the separators, and a first seal has a thickness greater than the depth of the sealing groove and a portion which is gradually narrowed toward an end thereof. A protrusion is provided to the sealing portion of the other separator, and a second seal having a constant width is provided to the front surface of the protrusion. The polymerized electrolytic membrane is held by the first seal and the second seal.Type: ApplicationFiled: July 17, 2001Publication date: May 9, 2002Inventors: Masajirou Inoue, Nobuaki Kimura, Makoto Tsuji