Kokawa; Katsuzou

Patent Applications and Registrations

Patent applications and USPTO patent grants for Kokawa; Katsuzou.The latest application filed is for "polymer electrolyte fuel cell".

Company Profile

0.5.6

Kokawa; Katsuzou - Nara JP
Kokawa, Katsuzou - Uda-gun JP

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Polymer electrolyte fuel cell system and operation method thereof Grant 7,722,996 - Kobayashi , et al. May 25, 2	2010-05-25
Polymer electrolyte fuel cell Grant 7,572,539 - Kobayashi , et al. August 11, 2	2009-08-11
Electrolyte membrane for a fuel cell, electrolyte membrane electrode assembly for a fuel cell, and a fuel cell Grant 7,276,310 - Kobayashi , et al. October 2, 2	2007-10-02
Separator plate for polymer electrolyte fuel cell and polymer electrolyte fuel cell using the same Grant 7,220,512 - Ohara , et al. May 22, 2	2007-05-22
Fuel cell Grant 6,960,407 - Shibata , et al. November 1, 2	2005-11-01
Polymer electrolyte fuel cell App 20050084734 - Kobayashi, Susumu ; et al.	2005-04-21
Polymer electrolyte fuel cell system and operation method thereof App 20050048338 - Kobayashi, Susumu ; et al.	2005-03-03
Electrolyte membrane for a fuel cell, electrolyte membrane electrode assembly for a fuel cell, and a fuel cell App 20040234831 - Kobayashi, Susumu ; et al.	2004-11-25
Polymer electrolyte fuel cell App 20040224206 - Matsumoto, Toshihiro ; et al.	2004-11-11
Separator plate for polymer electrolyte fuel cell and polymer electrolyte fuel cell using the same App 20040131918 - Ohara, Hideo ; et al.	2004-07-08
Fuel cell App 20040058223 - Shibata, Soichi ; et al.	2004-03-25

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