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. 21, 2006
Filed:
Mar. 25, 2002
Nobuhiro Hase, Mino, JP;
Hiroki Kusakabe, Sakai, JP;
Hideo Ohara, Katano, JP;
Shinsuke Takeguchi, Kadoma, JP;
Yoshiaki Yamamoto, Katano, JP;
Masayo Sugou, Legal Representative, Tokyo, JP;
Nobuhiro Hase, Mino, JP;
Hiroki Kusakabe, Sakai, JP;
Hideo Ohara, Katano, JP;
Shinsuke Takeguchi, Kadoma, JP;
Yoshiaki Yamamoto, Katano, JP;
Masayo Sugou, legal representative, Tokyo, JP;
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Abstract
A fuel cell including a cell stack including plural electrically conductive separator plates and MEAs (electrolyte membrane-electrode assemblies) inserted among the separator plates. The fuel cell further includes gas communication grooves, where the gas communication grooves on one main surface of each separator plate are positioned to correspond to the ribs on the other main surface thereof, whereby thin wall portions in the separator plate can be avoided as much as possible, thereby to solve above described problems.