The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 18, 2014
Filed:
Jun. 12, 2009
Applicants:
Seigo Kotera, Chiyoda-ku, JP;
Tetsuji Shimohira, Chiyoda-ku, JP;
Satoru Hommura, Chiyoda-ku, JP;
Susumu Saito, Chiyoda-ku, JP;
Inventors:
Seigo Kotera, Chiyoda-ku, JP;
Tetsuji Shimohira, Chiyoda-ku, JP;
Satoru Hommura, Chiyoda-ku, JP;
Susumu Saito, Chiyoda-ku, JP;
Assignee:
Asahi Glass Company, Limited, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 8/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
To provide a polymer electrolyte membrane for polymer electrolyte fuel cells having high mechanical strength and excellent dimensional stability when it contains water even when it is made thin and the concentration of ionic groups is increased so as to reduce the electrical resistance, and a membrane/electrode assembly providing high output and having excellent durability.