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 patentsUS6670065B2Dec 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 patentsUS4925825AMay 15, 1990
Catalyst for removing nitrogen oxides
BABCOCK HITACHI KK38 citations92
US6890673B2May 10, 2005
Hydrogen producing apparatus and power generating system using it
BABCOCK HITACHI KK16 citations80
US4946661AAug 7, 1990
Process for removing nitrogen oxides
BABCOCK HITACHI KK11 citations73
US4865827ASep 12, 1989
Process for removing nitrogen oxides
BABCOCK HITACHI KK13 citations73