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:
Jul. 07, 2009
Filed:
Jul. 23, 2003
Applicants:
Yoshihisa Suda, Gunma, JP;
Takahiro Osada, Gunma, JP;
Kunitaka Yamada, Gunma, JP;
Inventors:
Assignee:
Mitsubishi Pencil Kabushiki Kaisha, Shinagawa-Ku, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 8/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A direct methanol fuel cell comprises a multiple number of connected unit cells, each composed of a fuel electrode element of a microporous carbon material, an electrolyte layer formed on the outer surface of the fuel electrode element, an air electrode layer formed on the outer surface of the electrolyte layer, wherein each unit cell is supplied with fuel from a fuel reservoir through a fuel feeder having an infiltration structure coupled therebetween.