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. 06, 2005
Filed:
Dec. 04, 2002
Applicants:
Tatsuhiro Okada, Tsukuba, JP;
Kentaro Ishida, Tsukuba, JP;
Masayoshi Ishida, Tsukuba, JP;
Inventors:
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M008/10 ;
U.S. Cl.
CPC ...
Abstract
A fuel cell, which has a tubular polymer electrolyte membrane, with a fuel electrode on one of inner and outer sides of the membrane, and with an air electrode on the other side of the membrane, wherein at least one of the fuel electrode and the air electrode is composed of carbon fibers on which a catalyst is loaded.