Patents by Inventor Toshihiko Suenaga
Toshihiko Suenaga 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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Patent number: 8637204Abstract: In a solid polymer electrolyte membrane [film] type fuel cell of the invention, where a pair of electrodes are provided on opposite sides of a solid polymer electrolyte membrane [film], and the outside thereof is clamped by a pair of separators, and nonconductive picture frame-shaped members 61 are arranged at the outer edge portions of the separators, for allowing increase and decrease of a space between separators, while sealing a gap between the separators.Type: GrantFiled: December 15, 2011Date of Patent: January 28, 2014Assignee: Honda Giken Kogyo Kabushiki KaishaInventors: Toshihiko Suenaga, Narutoshi Sugita, Takayuki Ogawa, Keisuke Andou, Masajiro Inoue
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Publication number: 20120088183Abstract: In a solid polymer electrolyte membrane [film] type fuel cell of the invention, where a pair of electrodes are provided on opposite sides of a solid polymer electrolyte membrane [film], and the outside thereof is clamped by a pair of separators, and nonconductive picture frame-shaped members 61 are arranged at the outer edge portions of the separators, for allowing increase and decrease of a space between separators, while sealing a gap between the separators.Type: ApplicationFiled: December 15, 2011Publication date: April 12, 2012Applicant: HONDA MOTOR CO., LTD.Inventors: Toshihiko SUENAGA, Narutoshi SUGITA, Takayuki OGAWA, Keisuke ANDOU, Masajiro INOUE
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Patent number: 8097379Abstract: In a solid polymer electrolyte membrane type fuel cell of the invention, where a pair of electrodes are provided on opposite sides of a solid polymer electrolyte membrane, and the outside thereof is clamped by a pair of separators, and nonconductive picture frame-shaped members 61 are arranged at the outer edge portions of the separators, for allowing increase and decrease of a space between separators, while sealing a gap between the separators.Type: GrantFiled: January 5, 2006Date of Patent: January 17, 2012Assignee: Honda Motor Co., Ltd.Inventors: Toshihiko Suenaga, Narutoshi Sugita, Takayuki Ogawa, Keisuke Andou, Masajiro Inoue
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Patent number: 7651805Abstract: The fuel cell 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: January 6, 2004Date of Patent: January 26, 2010Assignee: Honda Giken Kogyo Kabushiki KaishaInventors: Masajiro Inoue, Nobuaki Kimura, Toshihiko Suenaga, Harumi Hatano
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Patent number: 7491355Abstract: 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: GrantFiled: December 30, 2005Date of Patent: February 17, 2009Assignee: Honda Giken Kogyo Kabushiki KaishaInventors: Masajiro Inoue, Nobuaki Kimura, Toshihiko Suenaga, Keisuke Andou
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Patent number: 7138081Abstract: 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: GrantFiled: November 30, 2001Date of Patent: November 21, 2006Assignee: Honda Giken Kogyo Kabushiki KaishaInventors: Masajirou Inoue, Toshihiko Suenaga, Nobuaki Kimura, Keisuke Andou
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Patent number: 7097926Abstract: 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: GrantFiled: October 24, 2001Date of Patent: August 29, 2006Assignee: Honda Giken Kogyo Kabushiki KaishaInventors: Toshihiko Suenaga, Nobuaki Kimura
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Patent number: 7081314Abstract: The fuel cell of the present invention comprises: a membrane electrode assembly having a solid polymer electrolyte membrane, an anode side diffusion electrode located at one side of the solid polymer electrolyte membrane, and a cathode side diffusion electrode located at the other side of the solid polymer electrolyte membrane, the anode side diffusion electrode comprising an anode electrode, and a first gas diffusion layer, the cathode side diffusion electrode comprising a cathode electrode, and a second gas diffusion layer; a pair of separators which hold the membrane electrode assembly; and a seal, provided onto the separators, which was liquid sealant at the time of application. The sealant makes contact with at least one of end faces of the first gas diffusion layer and the second gas diffusion layer, while the membrane electrode assembly is located between the separators.Type: GrantFiled: May 2, 2001Date of Patent: July 25, 2006Assignee: Honda Giken Kogyo Kabushiki KaishaInventors: Masajiro Inoue, Nobuaki Kimura, Toshihiko Suenaga, Harumi Hatano
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Publication number: 20060108709Abstract: 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 30, 2005Publication date: May 25, 2006Applicant: Honda Giken Kogyo Kabushiki KaishaInventors: Masajiro Inoue, Toshihiko Suenaga, Nobuaki Kimura, Keisuke Andou
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Publication number: 20060110646Abstract: In a solid polymer electrolyte membrane type fuel cell of the invention, where a pair of electrodes are provided on opposite sides of a solid polymer electrolyte membrane, and the outside thereof is clamped by a pair of separators, and nonconductive picture frame-shaped members 61 are arranged at the outer edge portions of the separators, for allowing increase and decrease of a space between separators, while sealing a gap between the separators.Type: ApplicationFiled: January 5, 2006Publication date: May 25, 2006Applicant: Honda Giken Kogyo Kabushiki KaishaInventors: Toshihiko Suenaga, Narutoshi Sugita, Takayuki Ogawa, Keisuke Andou, Masajiro Inoue
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Patent number: 7014939Abstract: In a solid polymer electrolyte membrane type fuel cell of the invention, where a pair of electrodes are provided on opposite sides of a solid polymer electrolyte membrane, and the outside thereof is clamped by a pair of separators, and nonconductive picture frame-shaped members 61 are arranged at the outer edge portions of the separators, for allowing increase and decrease of a space between separators, while sealing a gap between the separators.Type: GrantFiled: January 28, 2002Date of Patent: March 21, 2006Assignee: Honda Giken Kogyo Kabushiki KaishaInventors: Toshihiko Suenaga, Narutoshi Sugita, Takayuki Ogawa, Keisuke Andou, Masajiro Inoue
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Patent number: 7008584Abstract: 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: GrantFiled: December 6, 2001Date of Patent: March 7, 2006Assignee: Honda Giken Kogyo Kabushiki KaishaInventors: Masajiro Inoue, Toshihiko Suenaga, Nobuaki Kimura, Keisuke Andou
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Patent number: 7005208Abstract: A method for mounting a seal in a fuel cell comprising: a membrane electrode assembly formed by holding an electrolyte membrane between a first electrode and a second electrode and having a seal mounting portion; a separator plate layered on both surfaces of the membrane electrode assembly so as to form gas passage; and a frame-shaped separator plate held between the membrane electrode assembly and the separator plate so as to seal the gas passage in air tight. The method comprises: preforming the seal into a predetermined shape; setting the seal at the mounting portion of the membrane electrode assembly; and integrally forming the seal with the membrane electrode assembly.Type: GrantFiled: October 18, 2001Date of Patent: February 28, 2006Assignee: Honda Giken Kogyo Kabushiki KaishaInventors: Toshihiko Suenaga, Masajiro Inoue, Nobuaki Kimura
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Patent number: 6921507Abstract: The object of the present invention is to provide a method for manufacturing a product of thermoplastic resin and/or thermoplastic elastomer with materials of high recycle capability, preventing the productivity drop and the cost increase as well as the damage caused by the contact between semi-finished products and a drawing machine. A plurality of semi-finished moles and a drawing element are molded integrally by an extruder. The semi-finished moles are separated from the drawing element by cutting. The semi-finished moles separated from the drawing element are cut in accordance with a given length to produce a mole.Type: GrantFiled: June 19, 2002Date of Patent: July 26, 2005Assignee: Honda Giken Kogyo Kabushiki KaishaInventor: Toshihiko Suenaga
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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: 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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Publication number: 20030030171Abstract: The object of the present invention is to provide a method for manufacturing a product of thermoplastic resin and/or thermoplastic elastomer with materials of high recycle capability, preventing the productivity drop and the cost increase as well as the damage caused by the contact between semi-finished products and a drawing machine. A plurality of semi-finished moles and a drawing element are molded integrally by an extruder. The semi-finished moles are separated from the drawing element by cutting. The semi-finished moles separated from the drawing element are cut in accordance with a given length to produce a mole.Type: ApplicationFiled: June 19, 2002Publication date: February 13, 2003Applicant: HONDA GIKEN KOGYO KABUSHIKI KAISHAInventor: Toshihiko Suenaga
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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