Inventor

SUGITA NARUTOSHI

JP87 patents

⚠️ This page may combine multiple inventors who share the name “SUGITA NARUTOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HONDA MOTOR CO LTD

45 patents

US7014939B2Mar 21, 2006

Fuel cell and fuel cell stack

HONDA MOTOR CO LTD40 citations96

US6406809B1Jun 18, 2002

Fuel cell comprising a separator provided with coolant passages

HONDA MOTOR CO LTD69 citations96

US6613470B1Sep 2, 2003

Solid polymer electrolyte fuel cell stack

HONDA MOTOR CO LTD40 citations95

US6255011B1Jul 3, 2001

Fuel cell stack

HONDA MOTOR CO LTD58 citations95

US6048633AApr 11, 2000

Fuel cell stack

HONDA MOTOR CO LTD84 citations95

US6350540B1Feb 26, 2002

Fuel cell with gas diffusion layer flow passage

HONDA MOTOR CO LTD75 citations94

US7144647B2Dec 5, 2006

Fuel cell stack

HONDA MOTOR CO LTD23 citations93

US6420061B1Jul 16, 2002

Fuel cell stack

HONDA MOTOR CO LTD29 citations93

USD432495SOct 24, 2000

Fuel cell

HONDA MOTOR CO LTD22 citations93

US6936369B1Aug 30, 2005

Fuel cell stack

HONDA MOTOR CO LTD19 citations92

US6815115B2Nov 9, 2004

Fuel cell and fuel cell stack

HONDA MOTOR CO LTD22 citations92

US6692860B2Feb 17, 2004

Fuel cell comprising dual seal assembly

HONDA MOTOR CO LTD25 citations92

US6455179B1Sep 24, 2002

Fuel cell system

HONDA MOTOR CO LTD49 citations92

US6258475B1Jul 10, 2001

Fastening structure for fuel cell stack

HONDA MOTOR CO LTD27 citations92

US5463995ANov 7, 1995

Intake system for internal combustion engine

HONDA MOTOR CO LTD20 citations90

US7413821B2Aug 19, 2008

Solid polymer electrolyte fuel cell assembly with gas passages in serial communication, and method of supplying reaction gas in fuel cell

HONDA MOTOR CO LTD11 citations84

US7344794B2Mar 18, 2008

Fuel cell with deformable seal members

HONDA MOTOR CO LTD11 citations84

US7201987B2Apr 10, 2007

Membrane electrode assembly, and fuel cell unit

HONDA MOTOR CO LTD13 citations84

US6858338B2Feb 22, 2005

Solid polymer electrolyte fuel cell assembly, fuel cell stack, and method of supplying reaction gas in fuel cell

HONDA MOTOR CO LTD18 citations84

US6620540B2Sep 16, 2003

Fuel cell stack

HONDA MOTOR CO LTD17 citations84

US7195837B2Mar 27, 2007

Separator unit and fuel cell with separator unit

HONDA MOTOR CO LTD20 citations83

US7695845B2Apr 13, 2010

Fuel cell

HONDA MOTOR CO LTD7 citations74

US7056614B2Jun 6, 2006

Membrane electrode assembly and fuel cell unit

HONDA MOTOR CO LTD8 citations74

US6872483B2Mar 29, 2005

Fuel cell stack, method of holding fuel cell stack under pressure, and separators

HONDA MOTOR CO LTD10 citations74

US6866959B2Mar 15, 2005

Fuel cell

HONDA MOTOR CO LTD6 citations74

US6833210B2Dec 21, 2004

Fuel cell

HONDA MOTOR CO LTD8 citations74

USD431524SOct 3, 2000

Fuel cell

HONDA MOTOR CO LTD15 citations73

US6723463B2Apr 20, 2004

Fuel cell stack having terminal element located at specified location

HONDA MOTOR CO LTD7 citations72

US7846613B2Dec 7, 2010

Fuel cell with separator having a ridge member

HONDA MOTOR CO LTD2 citations63

US7704625B2Apr 27, 2010

Fuel cell

HONDA MOTOR CO LTD2 citations63

US7527889B2May 5, 2009

Fuel cell stack

HONDA MOTOR CO LTD5 citations63

US7297432B2Nov 20, 2007

Fuel cell and fuel cell stack

HONDA MOTOR CO LTD2 citations63

US7220511B2May 22, 2007

Fuel cell

HONDA MOTOR CO LTD4 citations63

US6866956B2Mar 15, 2005

Fuel cell

HONDA MOTOR CO LTD3 citations63

US6841282B2Jan 11, 2005

Fuel cell

HONDA MOTOR CO LTD4 citations63

US6811909B2Nov 2, 2004

Fuel cell

HONDA MOTOR CO LTD2 citations63

US8034506B2Oct 11, 2011

Fuel cell

HONDA MOTOR CO LTD3 citations62

US7977003B2Jul 12, 2011

Fuel cell

HONDA MOTOR CO LTD3 citations62

US7867666B2Jan 11, 2011

Fuel cell with triangular buffers for reactant gas and coolant

HONDA MOTOR CO LTD2 citations62

US7618735B2Nov 17, 2009

Fuel cell with triangular buffers

HONDA MOTOR CO LTD2 citations62

US7396609B2Jul 8, 2008

Fuel cell and metal separator for fuel cell

HONDA MOTOR CO LTD4 citations62

US7326485B2Feb 5, 2008

Fuel cell with a seal tightly in contact with an electrode for preventing leakage of a reactant gas

HONDA MOTOR CO LTD2 citations62

US7323269B2Jan 29, 2008

Fuel cell

HONDA MOTOR CO LTD2 citations62

US7297424B2Nov 20, 2007

Solid polymer electrolyte fuel cell stack

HONDA MOTOR CO LTD4 citations62

US7201990B2Apr 10, 2007

Fuel cell stack

HONDA MOTOR CO LTD6 citations62

SUGITA NARUTOSHI

3 patents

US8153333B2Apr 10, 2012

Fuel cell with protruded gas diffusion layer

SUGITA NARUTOSHI6 citations83

US8153288B2Apr 10, 2012

Fuel cell and fuel cell stack

SUGITA NARUTOSHI7 citations83

US8197984B2Jun 12, 2012

Fuel cell stack

SUGITA NARUTOSHI5 citations62

ODA MASARU

1 patent

US8110316B2Feb 7, 2012

Fuel cell

ODA MASARU10 citations83

SUENAGA TOSHIHIKO

1 patent

US8097379B2Jan 17, 2012

Fuel cell stack with insulating members

SUENAGA TOSHIHIKO5 citations71

Showing the top 50 of 87 patents by PatentIndex Score.