Inventor
YASUMOTO EIICHI
JP52 patents
⚠️ This page may combine multiple inventors who share the name “YASUMOTO EIICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
34 patentsUS6660419B1Dec 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
US6818339B1Nov 16, 2004
Polymer electrolyte type fuel cell
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD30 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
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
US7220514B2May 22, 2007
Polymer electrolyte fuel cell
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD14 citations84
US7150934B2Dec 19, 2006
Electrolyte film electrode union, fuel cell containing the same and process for producing them
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD17 citations84
US6991870B2Jan 31, 2006
Gas diffusion electrode and fuel cell using this
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD18 citations84
US6579639B1Jun 17, 2003
Polymer electrolyte fuel cell
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD13 citations84
US6541144B2Apr 1, 2003
Fuel cell system
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD15 citations84
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
USD567763SApr 29, 2008
Fuel cell
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD5 citations74
US7201993B2Apr 10, 2007
Polymer electrolyte fuel cell
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD9 citations74
US7097932B1Aug 29, 2006
Polymer electrolytic fuel cell and method for producing the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD8 citations74
US6869719B2Mar 22, 2005
Polymer electrolyte fuel cell stack
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD9 citations74
US6667268B1Dec 23, 2003
Polymer electrolyte fuel cell having a porous catalyst layer and a method for manufacturing the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD10 citations74
US6455109B1Sep 24, 2002
Electrode for fuel cell and method of producing the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD10 citations73
US5571251ANov 5, 1996
Vehicle using hydrogen absorbing alloys
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD7 citations73
US7285354B2Oct 23, 2007
Polymer electrolyte fuel cell, fuel cell electrode, method for producing electrode catalyst layer, and method for producing polymer electrolyte fuel cell
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD9 citations72
US7316860B2Jan 8, 2008
Polymer electrolyte fuel cell and production method of the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD6 citations63
US7405019B2Jul 29, 2008
Polymer electrolyte fuel cell
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD5 citations62
US5860359AJan 19, 1999
Gas-permselective gas pump and warmer for using same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD3 citations62
US7422811B2Sep 9, 2008
Fuel cell life predicting device and fuel cell system
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD6 citations61
PANASONIC CORP
13 patentsUSD623135SSep 7, 2010
Fuel cell
PANASONIC CORP8 citations84
USD612806SMar 30, 2010
Separator for fuel cell
PANASONIC CORP8 citations84
US7494737B2Feb 24, 2009
Fuel cell having manifold apertures and cover plates
PANASONIC CORP11 citations83
USD596565SJul 21, 2009
Separator for fuel cell
PANASONIC CORP4 citations74
USD586746SFeb 17, 2009
Separator for fuel cell
PANASONIC CORP4 citations74
US7790324B2Sep 7, 2010
Separator plate and fuel cell
PANASONIC CORP2 citations63
USD612805SMar 30, 2010
Separator for fuel cell
PANASONIC CORP3 citations63
US7491459B2Feb 17, 2009
Polymer electrolyte fuel cell
PANASONIC CORP4 citations63
US7470483B2Dec 30, 2008
Electrolyte membrane-electrode assembly for fuel cell and operation method of fuel cell using the same
PANASONIC CORP5 citations63
US8003239B2Aug 23, 2011
Method of preserving polymer electrolyte fuel cell stack and preservation assembly of polymer electrolyte fuel cell stack
PANASONIC CORP2 citations62
US7976972B2Jul 12, 2011
Method of preserving polymer electrolyte fuel cell stack and preservation assembly of polymer electrolyte fuel cell stack
PANASONIC CORP2 citations62
US7455703B2Nov 25, 2008
Method for manufacturing polymer electrolyte fuel cell
PANASONIC CORP1 citations52
US8021772B2Sep 20, 2011
Preservation assembly of polymer electrolyte fuel cell stack
PANASONIC CORP0 citations51
ARISAKA SHINICHI
2 patentsUS8137829B2Mar 20, 2012
Method of preserving polymer electrolyte fuel cell stack and preservation assembly of polymer electrolyte fuel cell stack
ARISAKA SHINICHI0 citations47
US8435657B2May 7, 2013
Method of preserving polymer electrolyte fuel cell stack and preservation assembly of polymer electrolyte fuel cell stack
ARISAKA SHINICHI0 citations43
SHIBATA SOICHI
1 patentShowing the top 50 of 52 patents by PatentIndex Score.