Nanaumi; Masaaki

Patent Applications and Registrations

Patent applications and USPTO patent grants for Nanaumi; Masaaki.The latest application filed is for "electrolyte membrane/electrode structure and fuel cell".

Company Profile

0.15.19

Nanaumi; Masaaki - Utsunomiya JP
Nanaumi; Masaaki - Utsunomiya-shi JP
Nanaumi; Masaaki - Saitama-ken JP
Nanaumi; Masaaki - Wako JP
Nanaumi; Masaaki - Saitama JP
Nanaumi, Masaaki - Wako-shi Saitama

*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
Electrolyte membrane/electrode structure and fuel cell Grant 8,486,578 - Ishida , et al. July 16, 2	2013-07-16
Electrolyte Membrane/electrode Structure And Fuel Cell App 20110136038 - Ishida; Kentaro ; et al.	2011-06-09
Polymer electrolyte membrane and polymer electrolyte fuel cell comprising same Grant 7,749,630 - Asano , et al. July 6, 2	2010-07-06
Fuel cell Grant 7,531,265 - Sugiura , et al. May 12, 2	2009-05-12
Electrode structure for solid polymer fuel cell, its production method, and solid polymer fuel cell Grant 7,494,733 - Nanaumi , et al. February 24, 2	2009-02-24
Membrane electrode assembly and fuel cell Grant 7,476,459 - Wakahoi , et al. January 13, 2	2009-01-13
Proton conductive composition and proton conductive membrane Grant 7,449,132 - Kakuta , et al. November 11, 2	2008-11-11
Solid polymer type fuel cell Grant 7,208,242 - Asano , et al. April 24, 2	2007-04-24
Membrane electrode assembly and fuel cell Grant 7,195,838 - Nanaumi , et al. March 27, 2	2007-03-27
Membrane electrode assembly and fuel cell unit Grant 7,056,614 - Sugita , et al. June 6, 2	2006-06-06
Solid polymer fuel cell Grant 7,022,426 - Fukuda , et al. April 4, 2	2006-04-04
Polymer electrolyte membrane, method for producing same, and membrane electrode assembly and polymer electrolyte fuel cell comprising same App 20050260474 - Asano, Yoichi ; et al.	2005-11-24
Polymer electrolyte membrane, method for producing same, and membrane electrode assembly and polymer electrolyte fuel cell comprising same App 20050260475 - Asano, Yoichi ; et al.	2005-11-24
Fuel cell App 20050186464 - Sugiura, Seiji ; et al.	2005-08-25
Polymer electrolyte membrane and solid polymer electrolyte fuel cell using same Grant 6,933,068 - Asano , et al. August 23, 2	2005-08-23
Membrane-electrode structure and method for producing the same App 20050181267 - Mitsuta, Naoki ; et al.	2005-08-18
Polymer electrolyte membrane, method for producing same, and membrane electrode assembly and polymer electrolyte fuel cell comprising same Grant 6,926,984 - Asano , et al. August 9, 2	2005-08-09
Membrane electrode assembly and fuel cell App 20050142397 - Wakahoi, Toshiya ; et al.	2005-06-30
Proton conductive composition and proton conductive membrane App 20050116206 - Kakuta, Mayumi ; et al.	2005-06-02
Solid polymer type fuel cell Grant 6,844,097 - Fukuda , et al. January 18, 2	2005-01-18
Electrode structure for solid polymer fuel cell, its production method, and solid polymer fuel cell App 20040180250 - Nanaumi, Masaaki ; et al.	2004-09-16
Solid polymer type fuel cell App 20040121211 - Asano, Yoichi ; et al.	2004-06-24
Solid polymer type fuel cell App 20040096717 - Asano, Yoichi ; et al.	2004-05-20
Membrane electrode assembly for fuel and process for producing the same Grant 6,720,106 - Fukuda , et al. April 13, 2	2004-04-13
Solid polymer type fuel cell App 20030064268 - Fukuda, Kaoru ; et al.	2003-04-03
Membrane electrode assembly and fuel cell App 20030049518 - Nanaumi, Masaaki ; et al.	2003-03-13
Membrane electrode assembly and fuel cell unit App 20030027032 - Sugita, Narutoshi ; et al.	2003-02-06
Polymer electrolyte membrane and solid polymer electrolyte fuel cell using same App 20020172850 - Asano, Yoichi ; et al.	2002-11-21
Polymer electrolyte membrane, method for producing same, and membrane electrode assembly and polymer electrolyte fuel cell comprising same App 20020164513 - Asano, Yoichi ; et al.	2002-11-07
Membrane electrode assembly and method for producing same, and polymer electrolyte fuel cell comprising such membrane electrode assemblies App 20020155340 - Nanaumi, Masaaki ; et al.	2002-10-24
Solid polymer fuel cell App 20020064699 - Fukuda, Kaoru ; et al.	2002-05-30
Membrane electrode assembly for fuel and process for producing the same App 20020055034 - Fukuda, Kaoru ; et al.	2002-05-09
Electrolyte membrane/electrode assembly of solid polymer electrolyte fuel cell App 20020045081 - Nanaumi, Masaaki ; et al.	2002-04-18

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