Inventor · disambiguated record
Hiroshi Soma
Also filed as: SOMA HIROSHI
4 granted patents·1 pending application·68 citations·filing 2003–2005
74Inventor score
Top patents by PatentIndex Score
5 records- 0190US7001929B2Proton conductive membrane having improved thermal stabilityHONDA MOTOR CO LTD·Filed 2003·Granted Feb 21, 2006·50 cites·4 claims
- 0273US7078121B2Aromatic sulfonate derivative, polyarylene, sulfonated polyarylene and production method thereof, macromolecular solid electrolyte, and proton conductive membraneHONDA MOTOR CO LTD·Filed 2003·Granted Jul 18, 2006·13 cites·3 claims
- 0362US7211203B2Polymer electrolyte, proton conductive membrane and membrane-electrode assemblyJSR CORP·Filed 2004·Granted May 1, 2007·5 cites·4 claims
- 0447US7381501B2Polymer electrolyte and proton conductive membraneJSR CORP·Filed 2005·Granted Jun 3, 2008·0 cites·3 claims
- 0544US2006127728A1Membrane-electrode assembly for fuel cellHONDA MOTOR CO LTD·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →