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:
Aug. 05, 2008
Filed:
Mar. 07, 2002
Koichi Tanaka, Kanagawa, JP;
Kenji Katori, Kanagawa, JP;
Minehisa Imazato, Tokyo, JP;
Kiyoshi Yamaura, Kanagawa, JP;
Katsuya Shirai, Kanagawa, JP;
Junji Kuyama, Kanagawa, JP;
Koichi Tanaka, Kanagawa, JP;
Kenji Katori, Kanagawa, JP;
Minehisa Imazato, Tokyo, JP;
Kiyoshi Yamaura, Kanagawa, JP;
Katsuya Shirai, Kanagawa, JP;
Junji Kuyama, Kanagawa, JP;
Sony Corporation, Tokyo, JP;
Abstract
A gas diffusing electrode, an electrochemical device, such as fuel cell, employing same and methods of manufacturing same are provided. The gas diffusing electrode at least includes layers made of at least electro-conductive carbon powder or granule and sputtered platinum layers made of platinum laid alternately to form a multilayer structure. The electrochemical device can be down-sized while maintaining a relatively high power generating capacity.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile