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:
Jun. 22, 2010
Filed:
Aug. 07, 2006
Applicants:
Noboru Kanba, Fujioka, JP;
Yoshihisa Suda, Fujioka, JP;
Inventors:
Noboru Kanba, Fujioka, JP;
Yoshihisa Suda, Fujioka, JP;
Assignee:
Mitsubishi Pencil Co., Ltd., Shinagawa-Ku, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 8/02 (2006.01); H01M 8/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
In order to provide a separator for a fuel cell which is improved in cell characteristics by controlling a wetting property of the separator for a fuel cell and a production process for the same, assumed is a constitution in which in a separator A for a fuel cell molded from at least from a carbon material, a hydrophilic functional group is formed and increased on a surface part of a flow passage surfacein the separatorby irradiation treatment of a YAG laser apparatusand in which an uneven part having an average surface roughness Ra of less than 50 μm is formed.