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:
Dec. 25, 2012
Filed:
May. 18, 2011
Applicants:
Masato Aizawa, Kyoto, JP;
Hisaaki Gyoten, Osaka, JP;
Akira Taomoto, Kyoto, JP;
Inventors:
Assignee:
Panasonic Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 33/42 (2006.01); H01M 2/18 (2006.01);
U.S. Cl.
CPC ...
Abstract
In order to significantly improve power generation efficiencies for the fuel cells, the present invention provides a method for fabricating a polymer electrolyte membrane comprising a surface with an array of a plurality of fine convex portion with a depth of not less than 3 μm and not more than 12 μm and an aspect ratio of not less than 0.4 and not more than 2.0,