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:
Feb. 08, 2005
Filed:
May. 29, 2001
Applicants:
Yunzhi Gao, Saitama-ken, JP;
Akira Kunimoto, Saitama-ken, JP;
Inventors:
Yunzhi Gao, Saitama-ken, JP;
Akira Kunimoto, Saitama-ken, JP;
Assignee:
Kabushiki Kaisha Riken, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M002/00 ; H01M002/14 ;
U.S. Cl.
CPC ...
Abstract
A bipolar current collector separator for a fuel cell composed of a metal plate having flow channels and contact faces that come into contact with electrodes or collectors, wherein a corrosion-resistant layer such as an anodized aluminum layer and a heat-resistant polymer layer is disposed on each of the flow channels.
Gao, Yunzhi. (2005). Embossed current collector separator for electrochemical fuel cell (U.S. Patent No. 6852438). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6852438
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile