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:
Mar. 06, 2012
Filed:
Nov. 24, 2006
Mikiko Yoshimura, Osaka, JP;
Yoshihiro Hori, Nara, JP;
Takeou Okanishi, Osaka, JP;
Masaki Yamauchi, Osaka, JP;
Mikiko Yoshimura, Osaka, JP;
Yoshihiro Hori, Nara, JP;
Takeou Okanishi, Osaka, JP;
Masaki Yamauchi, Osaka, JP;
Panasonic Corporation, Osaka, JP;
Abstract
A catalyst-coated membrane that includes an anode catalyst layer, a cathode catalyst layer, and a hydrogen ion conductive polymer electrolyte membrane interposed between the anode catalyst layer and the cathode catalyst layer, a peripheral area of at least one of the anode catalyst layer and the cathode catalyst layer is provided with a decrease portion in which the mass of the electrode catalyst per unit area of the catalyst layer decreases from the inner side toward the outer side.