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:
Apr. 09, 2019
Filed:
Oct. 20, 2015
Applicant:
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi-ken, JP;
Inventors:
Assignee:
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi-ken, JP;
Primary Examiner:
Int. Cl.
CPC ...
G01R 31/36 (2006.01); H01M 8/04537 (2016.01); H01M 8/04664 (2016.01);
U.S. Cl.
CPC ...
G01R 31/3641 (2013.01); H01M 8/04582 (2013.01); H01M 8/04671 (2013.01); G01R 31/3631 (2013.01); G01R 31/3679 (2013.01); H01M 2250/20 (2013.01); Y02P 70/56 (2015.11); Y02T 90/32 (2013.01);
Abstract
An inspection method for inspecting a fuel cell, comprising: rising current density at a speed of a designated speed or greater, and judging whether the fuel cell is normal or abnormal by comparing a first voltage value that is the voltage value when the current density reaches a designated current density or greater with the rising step, and a second voltage value which is a judgment standard.