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:
Jan. 06, 2026
Filed:
Jul. 05, 2021
Applicant:
Subaru Corporation, Tokyo, JP;
Inventor:
Mitsunori Ishii, Tokyo, JP;
Assignee:
SUBARU CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 8/04082 (2016.01); H01M 8/04 (2016.01); H01M 8/04537 (2016.01); H01M 8/0662 (2016.01);
U.S. Cl.
CPC ...
H01M 8/04201 (2013.01); H01M 8/04544 (2013.01); H01M 8/04574 (2013.01); H01M 8/04 (2013.01); H01M 8/0662 (2013.01); H01M 8/0687 (2013.01); H01M 2250/20 (2013.01);
Abstract
A fuel cell system includes a filter disposed in a ventilation passage of an air electrode and including at least a magnet capable of attracting iron particles floating in the ventilation passage, and a notification device configured to notify an accumulation state of the iron particles on the filter.
Ishii, Mitsunori. (2026). Fuel cell system (U.S. Patent No. 12519117). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12519117
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile