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:
Jan. 31, 2012
Filed:
Oct. 18, 2007
Applicants:
Kazuhiro Osada, Toyota, JP;
Masahiro Kida, Nagoya, JP;
Shungo Fukumoto, Tajiimi, JP;
Inventors:
Assignee:
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 2/14 (2006.01); H01M 8/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A gas-impermeable fuel cell separator including ribs that form a gas flow passage, and a sealing section, wherein at least the gas flow passage has a hydrophilically treated surface, and in which the fuel cell separator base material is exposed within the sealing section.