Inventor
SUGAWARA YASUSHI
JP46 patents
⚠️ This page may combine multiple inventors who share the name “SUGAWARA YASUSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
31 patentsUS6057051AMay 2, 2000
Miniaturized fuel cell assembly
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD211 citations98
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
US6316139B1Nov 13, 2001
Fuel cell having a gasket with an adhesive layer
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD67 citations96
US6215272B1Apr 10, 2001
Fuel cell device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD67 citations95
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
US6194092B1Feb 27, 2001
Fuel cell apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD39 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
US6194094B1Feb 27, 2001
Polymer electrolyte fuel cell
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD23 citations92
US6060187AMay 9, 2000
Solid polymer type fuel cell and method for manufacturing the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD21 citations92
US5866423AFeb 2, 1999
Measuring method of the specific surface area available for reaction of noble metal catalyst in the electrode of polymer electrolyte membrane fuel cell
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD18 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
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
US6444346B1Sep 3, 2002
Fuel cells stack
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD12 citations74
US6455109B1Sep 24, 2002
Electrode for fuel cell and method of producing the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD10 citations73
US6242260B1Jun 5, 2001
Design for an electrode
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD9 citations73
US7316860B2Jan 8, 2008
Polymer electrolyte fuel cell and production method of the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD6 citations63
US7364813B2Apr 29, 2008
Ink for forming catalyst layer, and electrode and membrane-electrode assembly using the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD2 citations62
US7132187B2Nov 7, 2006
Polymer electrolyte fuel cell and production method thereof
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD3 citations62
US7416807B2Aug 26, 2008
Polymer electrolyte fuel cell
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD1 citations52
US7205061B2Apr 17, 2007
Polymer electrolyte fuel cell
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD0 citations41
PANASONIC CORP
7 patentsUS8039154B2Oct 18, 2011
Fuel cell system, method of starting fuel cell system
PANASONIC CORP15 citations84
US7943261B2May 17, 2011
Method of operating fuel cell system and fuel cell system
PANASONIC CORP4 citations63
US8003273B2Aug 23, 2011
Polymer electrolyte fuel cell and fuel cell sealing member for the same
PANASONIC CORP4 citations62
US7455703B2Nov 25, 2008
Method for manufacturing polymer electrolyte fuel cell
PANASONIC CORP1 citations52
US10164271B2Dec 25, 2018
Polymer electrolyte fuel cell with a recess is formed downstream of a gas lead-out port
PANASONIC CORP0 citations41
US10326148B2Jun 18, 2019
Fuel cell gas diffusion layer and method of manufacturing same
PANASONIC CORP0 citations40
US7691510B2Apr 6, 2010
Fuel cell system with differential pressure control
PANASONIC CORP0 citations38
SUGAWARA YASUSHI
5 patentsUS8071243B2Dec 6, 2011
Fuel cell system
SUGAWARA YASUSHI6 citations60
US8278002B2Oct 2, 2012
Fuel-cell and fuel cell system including the same
SUGAWARA YASUSHI1 citations50
US8765314B2Jul 1, 2014
Fuel cell system and method for stopping operation of fuel cell system
SUGAWARA YASUSHI0 citations40
US8808939B2Aug 19, 2014
Fuel cell stack and fuel cell cogeneration system including the same
SUGAWARA YASUSHI0 citations39
US8771892B2Jul 8, 2014
Fuel cell power generation system and operation stop method of the same
SUGAWARA YASUSHI0 citations39