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:
Feb. 18, 2014
Filed:
Sep. 07, 2007
Applicants:
Hisayoshi Ota, Aichi-ken, JP;
Kazuyori Yamada, Okazaki, JP;
Masaru Tsunokawa, Okazaki, JP;
Manabu Kato, Susono, JP;
Hiroo Yoshikawa, Susono, JP;
Inventors:
Hisayoshi Ota, Aichi-ken, JP;
Kazuyori Yamada, Okazaki, JP;
Masaru Tsunokawa, Okazaki, JP;
Manabu Kato, Susono, JP;
Hiroo Yoshikawa, Susono, JP;
Assignees:
Nippon Soken, Inc., Nisho-shi, Aichi, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi-ken, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 8/04 (2006.01); H01M 8/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
A fuel cell has multiple cells, the multiple cells including a first cell having a first fuel gas flow path, and a second cell having a second fuel gas flow path and a sensor that measures a specific parameter value relating to a decrease in concentration of fuel gas in the second fuel gas flow path.