Inventor · disambiguated record
Katsuzou Kokawa
Also filed as: KOKAWA KATSUZOU
5 granted patents·1 pending application·44 citations·filing 2003–2004
79Inventor score
Technology areasH01M
Top patents by PatentIndex Score
6 records- 0181US7276310B2Electrolyte membrane for a fuel cell, electrolyte membrane electrode assembly for a fuel cell, and a fuel cellMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Oct 2, 2007·19 cites·18 claims
- 0271US6960407B2Fuel cellMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Nov 1, 2005·10 cites·6 claims
- 0368US7572539B2Polymer electrolyte fuel cellPANASONIC CORP·Filed 2004·Granted Aug 11, 2009·8 cites·3 claims
- 0461US7220512B2Separator plate for polymer electrolyte fuel cell and polymer electrolyte fuel cell using the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted May 22, 2007·4 cites·14 claims
- 0558US7722996B2Polymer electrolyte fuel cell system and operation method thereofPANASONIC CORP·Filed 2004·Granted May 25, 2010·3 cites·26 claims
- 0644US2004224206A1Polymer electrolyte fuel cellFiled 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →