Inventor

HATOH KAZUHITO

JP81 patents

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

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

43 patents

US6840969B2Jan 11, 2005

High polymer electrolyte fuel cell and electrolyte film-gasket assembly for the fuel cell

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD81 citations97

US6884536B1Apr 26, 2005

Polymer electrolyte fuel cell

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD63 citations96

US6660419B1Dec 9, 2003

Solid polymer electrolyte fuel cell

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD56 citations96

US6372373B1Apr 16, 2002

Solid polymer electrolyte fuel cell and method for producing the same

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD54 citations96

US5976725ANov 2, 1999

Fuel cell system, fuel feed system for fuel cell and portable electric appliance

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD151 citations96

US5702838ADec 30, 1997

Fuel cell device equipped with catalyst material for removing carbon monoxide and method for removing carbon monoxide

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD70 citations96

US5470670ANov 28, 1995

Fuel cell

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD71 citations96

US5348814ASep 20, 1994

Internal reforming type molten carbonate fuel cell

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD79 citations96

US5962155AOct 5, 1999

Fuel cell system

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD82 citations94

US6893765B1May 17, 2005

Polymer electrolyte fuel cell

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD33 citations93

US6689504B1Feb 10, 2004

Fuel cell stack with separator of a laminate structure

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD34 citations93

US6531236B1Mar 11, 2003

Polymer electrolyte fuel cell stack

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD41 citations93

US6329093B1Dec 11, 2001

Polymer electrolyte fuel cell stack

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD39 citations93

US6187464B1Feb 13, 2001

Method for activating fuel cell

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD46 citations93

US7081317B2Jul 25, 2006

Polymer electrolyte thin film fuel cell and method of operating the same

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD22 citations92

US7005205B1Feb 28, 2006

Polymer electrolyte fuel cell

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD27 citations92

US6921598B2Jul 26, 2005

Polymer electrolyte fuel cell and method of manufacturing the same

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD34 citations92

US6855178B2Feb 15, 2005

Method for producing film electrode jointed product and method for producing solid polymer type fuel cell

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD38 citations92

US6790552B2Sep 14, 2004

Polymer electrolyte fuel cell

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD23 citations92

US6746793B1Jun 8, 2004

Polymer electrolyte fuel cell

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD32 citations92

US6660424B1Dec 9, 2003

Fuel cell and method of manufacture thereof

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD20 citations92

US6210823B1Apr 3, 2001

Polymer electrolyte fuel cell

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD36 citations92

US6117579ASep 12, 2000

Polymer electrolyte fuel cell

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD34 citations92

US5589287ADec 31, 1996

Molten carbonate fuel cell

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD22 citations92

US5387330AFeb 7, 1995

Mixed ionic conductors

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD44 citations92

US5314508AMay 24, 1994

Solid electrolyte fuel cell and method for manufacture of same

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD25 citations92

US5288562AFeb 22, 1994

Solid electrolyte fuel cell

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD21 citations92

US5244753ASep 14, 1993

Solid electrolyte fuel cell and method for manufacture of same

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD33 citations92

US7318974B2Jan 15, 2008

Polymer electrolyte fuel cell

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD13 citations84

US7220514B2May 22, 2007

Polymer electrolyte fuel cell

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD14 citations84

US6881510B1Apr 19, 2005

Method for resorting characteristics of polymer electrolyte fuel cell

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD16 citations84

US6638655B2Oct 28, 2003

Fuel cell system

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD14 citations84

US6770396B2Aug 3, 2004

Polymer electrolyte fuel cell

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD19 citations83

US5469913ANov 28, 1995

Vehicle using hydrogen absorbing alloys

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD18 citations82

US5354627AOct 11, 1994

Molten carbonate fuel cell

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD19 citations82

US6869719B2Mar 22, 2005

Polymer electrolyte fuel cell stack

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD9 citations74

US6830840B1Dec 14, 2004

Operation method for polymer electrolytic fuel cell

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD7 citations74

US5441715AAug 15, 1995

Method for the separation of hydrogen isotopes using a hydrogen absorbing alloy

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD13 citations74

US4997729AMar 5, 1991

Anode for high temperature fuel cell

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD16 citations74

US7029785B2Apr 18, 2006

Polymer electrolyte fuel cells, methods of manufacturing electrodes therefor , and apparatuses for making the same

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD9 citations73

US6960407B2Nov 1, 2005

Fuel cell

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD10 citations73

US6916575B2Jul 12, 2005

Polymer electrolyte type fuel cell

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD10 citations73

US5571251ANov 5, 1996

Vehicle using hydrogen absorbing alloys

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD7 citations73

PANASONIC CORP

5 patents

US7494737B2Feb 24, 2009

Fuel cell having manifold apertures and cover plates

PANASONIC CORP11 citations83

US7479341B2Jan 20, 2009

Fuel cell, separator plate for a fuel cell, and method of operation of a fuel cell

PANASONIC CORP7 citations74

USD605594SDec 8, 2009

Separator for fuel cell

PANASONIC CORP4 citations73

US7943261B2May 17, 2011

Method of operating fuel cell system and fuel cell system

PANASONIC CORP4 citations63

US7678490B2Mar 16, 2010

Polymer electrolyte fuel cell

PANASONIC CORP3 citations63

NOMURA TAKAIKI

1 patent

US8236146B2Aug 7, 2012

Photoelectrochemical cell and energy system using the same

NOMURA TAKAIKI8 citations82

KUSAKABE HIROKI

1 patent

US8084165B2Dec 27, 2011

MEA, MEA manufacturing method, and polymer electrolyte fuel cell

KUSAKABE HIROKI10 citations81

Showing the top 50 of 81 patents by PatentIndex Score.