Inventor · disambiguated record
Masaaki Nanaumi
Also filed as: NANAUMI MASAAKI
16 granted patents·4 pending applications·210 citations·filing 1997–2009
93Inventor score
Top patents by PatentIndex Score
20 records- 0193US6933068B2Polymer electrolyte membrane and solid polymer electrolyte fuel cell using sameJSR CORP·Filed 2002·Granted Aug 23, 2005·76 cites·12 claims
- 0292US6926984B2Polymer electrolyte membrane, method for producing same, and membrane electrode assembly and polymer electrolyte fuel cell comprising sameHONDA MOTOR CO LTD·Filed 2002·Granted Aug 9, 2005·62 cites·4 claims
- 0385US8486578B2Electrolyte membrane/electrode structure and fuel cellISHIDA KENTARO·Filed 2009·Granted Jul 16, 2013·8 cites·10 claims
- 0482US7531265B2Fuel cellHONDA MOTOR CO LTD·Filed 2005·Granted May 12, 2009·5 cites·6 claims
- 0571US7195838B2Membrane electrode assembly and fuel cellHONDA MOTOR CO LTD·Filed 2002·Granted Mar 27, 2007·10 cites·15 claims
- 0666US7056614B2Membrane electrode assembly and fuel cell unitHONDA MOTOR CO LTD·Filed 2002·Granted Jun 6, 2006·8 cites·6 claims
- 0765US6720106B2Membrane electrode assembly for fuel and process for producing the sameHONDA MOTOR CO LTD·Filed 2001·Granted Apr 13, 2004·6 cites·22 claims
- 0863US7208242B2Solid polymer type fuel cellHONDA MOTOR CO LTD·Filed 2002·Granted Apr 24, 2007·6 cites·40 claims
- 0963US6844097B2Solid polymer type fuel cellHONDA MOTOR CO LTD·Filed 2001·Granted Jan 18, 2005·5 cites·8 claims
- 1061US7476459B2Membrane electrode assembly and fuel cellHONDA MOTOR CO LTD·Filed 2004·Granted Jan 13, 2009·6 cites·8 claims
- 1161US7449132B2Proton conductive composition and proton conductive membraneJSR CORP·Filed 2004·Granted Nov 11, 2008·4 cites·6 claims
- 1254US7022426B2Solid polymer fuel cellHONDA MOTOR CO LTD·Filed 2001·Granted Apr 4, 2006·2 cites·4 claims
- 1350US7749630B2Polymer electrolyte membrane and polymer electrolyte fuel cell comprising sameHONDA MOTOR CO LTD·Filed 2005·Granted Jul 6, 2010·0 cites·10 claims
- 1445US5800783ANOx sensor for exhaust gas and method for producing sameHONDA MOTOR CO LTD·Filed 1997·Granted Sep 1, 1998·12 cites·15 claims
- 1543US7494733B2Electrode structure for solid polymer fuel cell, its production method, and solid polymer fuel cellHONDA MOTOR CO LTD·Filed 2002·Granted Feb 24, 2009·0 cites·14 claims
- 1643US2005181267A1Membrane-electrode structure and method for producing the sameFiled 2003·Application pending·0 cites
- 1741US2004096717A1Solid polymer type fuel cellFiled 2002·Application pending·0 cites
- 1840US2002155340A1Membrane electrode assembly and method for producing same, and polymer electrolyte fuel cell comprising such membrane electrode assembliesHONDA MOTOR CO LTD·Filed 2002·Application pending·0 cites
- 1940US2002045081A1Electrolyte membrane/electrode assembly of solid polymer electrolyte fuel cellFiled 2001·Application pending·0 cites
- 2026US5965802ANOx sensor for exhaust gas, and process for producing the sameHONDA MOTOR CO LTD·Filed 1997·Granted Oct 12, 1999·0 cites·15 claims
Join the waitlist — get patent alerts
Get an alert when Masaaki Nanaumi files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →