P

Inventor

OKAMOTO TAKAFUMI

JP41 patents
⚠️ This page may combine multiple inventors who share the name “OKAMOTO TAKAFUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HONDA MOTOR CO LTD

25 patents
US6045933AApr 4, 2000

Method of supplying fuel gas to a fuel cell

HONDA MOTOR CO LTD270 citations99
US5714276AFeb 3, 1998

Method for supplying fuel gas to fuel cell assembly

HONDA MOTOR CO LTD150 citations99
US5780179AJul 14, 1998

Fuel cell system for use on mobile bodies

HONDA MOTOR CO LTD127 citations98
US5723228AMar 3, 1998

Direct methanol type fuel cell

HONDA MOTOR CO LTD125 citations98
US5419980AMay 30, 1995

Fuel cell stack and method of pressing together the same

HONDA MOTOR CO LTD134 citations98
US6416899B1Jul 9, 2002

Fuel cell stack

HONDA MOTOR CO LTD53 citations96
US6180273B1Jan 30, 2001

Fuel cell with cooling medium circulation arrangement and method

HONDA MOTOR CO LTD43 citations96
US6042955AMar 28, 2000

Fuel cell and method of controlling same

HONDA MOTOR CO LTD78 citations96
US5837393ANov 17, 1998

Fuel battery system

HONDA MOTOR CO LTD68 citations96
US5736269AApr 7, 1998

Fuel cell stack and method of pressing together the same

HONDA MOTOR CO LTD82 citations96
US5534362AJul 9, 1996

Fuel cell stack and method of pressing together the same

HONDA MOTOR CO LTD57 citations96
US6255011B1Jul 3, 2001

Fuel cell stack

HONDA MOTOR CO LTD58 citations95
US6048633AApr 11, 2000

Fuel cell stack

HONDA MOTOR CO LTD84 citations95
US6294280B1Sep 25, 2001

Fuel cell stack

HONDA MOTOR CO LTD50 citations93
US6214486B1Apr 10, 2001

Fuel cell and method of controlling same

HONDA MOTOR CO LTD32 citations92
US6040073AMar 21, 2000

Fuel cell

HONDA MOTOR CO LTD34 citations92
US5965288AOct 12, 1999

Gas humidifying device for use with a fuel cell

HONDA MOTOR CO LTD39 citations92
US6696185B1Feb 24, 2004

Fuel cell and fastening method therefor

HONDA MOTOR CO LTD18 citations84
US5752988AMay 19, 1998

Method for producing electrode unit for fuel cell

HONDA MOTOR CO LTD18 citations84
US6833204B2Dec 21, 2004

Method of operating phosphoric acid fuel cell

HONDA MOTOR CO LTD8 citations74
US6582844B2Jun 24, 2003

Method of cooling a fuel cell

HONDA MOTOR CO LTD2 citations63
US7105202B2Sep 12, 2006

Process for coating inner wall of a thin tube with a resin

HONDA MOTOR CO LTD6 citations60
US7976990B2Jul 12, 2011

High efficiency fuel cell system

HONDA MOTOR CO LTD3 citations58
US6815109B2Nov 9, 2004

Fuel cell system

HONDA MOTOR CO LTD1 citations52
US6767661B2Jul 27, 2004

Fuel cell system and method for operating the same

HONDA MOTOR CO LTD1 citations52

MURATA MANUFACTURING CO

11 patents

KAWASAKI HEAVY IND LTD

4 patents

OKAMOTO TAKAFUMI

1 patent