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. 02, 2008
Filed:
Jul. 30, 2003
Applicant:
Akira Aoto, Toyota, JP;
Inventor:
Akira Aoto, Toyota, JP;
Assignee:
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 8/02 (2006.01); H01M 8/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A separator for a fuel cell includes a metal plate that is formed of a gas passage portion and a contact portion of a part other than the gas passage portion. The contact portion is brought into contact with a terminal of a cell voltage monitor attached to the fuel cell. The surface treatment applied to the gas passage portion is different from the surface treatment applied to the contact portion. The surface treatment applied to the gas passage portion includes a carbon coat, and the surface treatment applied to the contact portion includes no carbon coat.