P

Inventor

KAMO TOMOICHI

JP45 patents
⚠️ This page may combine multiple inventors who share the name “KAMO TOMOICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI LTD

39 patents
US6670065B2Dec 30, 2003

Solid polymer electrolyte, a membrane using thereof, a solution for coating electrode catalyst, a membrane/electrode assembly, and a fuel cell

HITACHI LTD47 citations96
US4537873AAug 27, 1985

Catalyst for catalytic combustion

HITACHI LTD91 citations96
US4810597AMar 7, 1989

Fuel cell comprising a device for detecting the concentration of methanol

HITACHI LTD120 citations95
US4894355AJan 16, 1990

Flexible, water-repellent baked carbon plate, its production, fuel cell electrode, fuel cell electrode plate and its production and fuel cell

HITACHI LTD69 citations94
US7323266B2Jan 29, 2008

Sheet-like chemical cell, fuel cell and methods for manufacturing thereof

HITACHI LTD35 citations92
US7105244B2Sep 12, 2006

Fuel cell power generation equipment and a device using the same

HITACHI LTD29 citations92
US5680085AOct 21, 1997

Magnetic field generator, a persistent current switch assembly for such a magnetic field generator, and the method of controlling such magnetic field generator

HITACHI LTD35 citations92
US5757257AMay 26, 1998

Permanent current switch and superconducting magnet system

HITACHI LTD25 citations91
US5625332AApr 29, 1997

Oxide superconducting wire and superconducting apparatus thereof

HITACHI LTD24 citations91
US6245455B1Jun 12, 2001

Sodium-sulfur secondary battery

HITACHI LTD22 citations90
US4943496AJul 24, 1990

Fuel cell, electrode for the cell and method of preparation thereof

HITACHI LTD25 citations89
US4207209AJun 10, 1980

Sintered cataltyic or absorbent metallic product and method for sintering metallic powders

HITACHI LTD25 citations82
US5300482AApr 5, 1994

Oxide superconductors

HITACHI LTD19 citations81
US7279244B2Oct 9, 2007

Fuel cell, polyelectrolyte and ion-exchange resin use for same

HITACHI LTD5 citations74
US7022743B2Apr 4, 2006

Fuel cell, polyelectrolyte and ion-exchange resin used for same

HITACHI LTD4 citations74
US6989212B2Jan 24, 2006

Fuel cell, polyelectrolyte and ion-exchange resin used for same

HITACHI LTD5 citations74
US6893764B2May 17, 2005

Solid polyelectrolyte, assembly of membrane and electrodes, and fuel cell

HITACHI LTD11 citations74
US7108939B2Sep 19, 2006

Covalently bonded catalyst carrier and catalytic component

HITACHI LTD10 citations73
US5510323AApr 23, 1996

Tl1 (Ba1-x Sr8)2 Ca2 Cu3 Oy oxide superconductor and method of producing the same

HITACHI LTD12 citations73
US5462922AOct 31, 1995

Superconductive material, a superconductive body, and a method of forming such a superconductive material or body

HITACHI LTD8 citations73
US4643957AFeb 17, 1987

Fuel cell

HITACHI LTD8 citations73
US5508256AApr 16, 1996

Oxide high-temperature superconducting material, method of preparing same and superconducting wires

HITACHI LTD9 citations72
US5318948AJun 7, 1994

Oxide superconductor, superconducting wire and coil using the same and method of production thereof

HITACHI LTD18 citations72
US6869713B2Mar 22, 2005

Fuel cell, fuel cell generator, and equipment using the same

HITACHI LTD8 citations71
US4028617AJun 7, 1977

Ionization detector utilizing electric discharge

HITACHI LTD19 citations71
US7560185B2Jul 14, 2009

Solid polymer electrolyte, a membrane using thereof, a solution for coating electrode catalyst, a membrane/electrode assembly, and a fuel cell

HITACHI LTD2 citations63
US7553574B2Jun 30, 2009

Solid polymer electrolyte, a membrane using thereof, a solution for coating electrode catalyst, a membrane/electrode assembly, and a fuel cell

HITACHI LTD1 citations63
US6964823B2Nov 15, 2005

Solid polymer electrolyte, a membrane using thereof, a solution for coating electrode catalyst, a membrane/electrode assembly, and a fuel cell

HITACHI LTD2 citations63
US7855032B2Dec 21, 2010

Fuel cell

HITACHI LTD5 citations62
US7709131B2May 4, 2010

Fuel cell endplate comprising current collector plate and fuel cell incorporating same

HITACHI LTD2 citations62
US5648322AJul 15, 1997

Tl-based superconductive material, a superconductive body, and a method of forming such a superconductive material or body

HITACHI LTD2 citations62
US5502029AMar 26, 1996

Laminated super conductor oxide with strontium, calcium, copper and at least one of thallium, lead, and bismuth

HITACHI LTD6 citations62
US5545610AAug 13, 1996

Oxide-based superconductor, a process for preparing the same and a wire material of comprising the same

HITACHI LTD3 citations61
US7766032B2Aug 3, 2010

Fuel container for fuel cell

HITACHI LTD1 citations52
US7659028B2Feb 9, 2010

Polymer electrolyte fuel cell

HITACHI LTD0 citations52
US7572302B2Aug 11, 2009

Sheet-like chemical cell, fuel cell and methods for manufacturing thereof

HITACHI LTD0 citations52
US7541107B2Jun 2, 2009

Solid polyelectrolyte, assembly of membrane and electrodes, amd fuel cell

HITACHI LTD0 citations52
US7425383B2Sep 16, 2008

Electrode for polymer electrolyte fuel cell, separator therefore, and polymer electrolyte fuel cell, and generating system using them

HITACHI LTD1 citations52
US7201989B2Apr 10, 2007

Electronic device using fuel cells

HITACHI LTD0 citations52

BABCOCK HITACHI KK

4 patents

HIATCHI LTD

1 patent

HITACHI CABLE

1 patent