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:
Mar. 24, 2026
Filed:
Sep. 29, 2020
Sumitomo Electric Industries, Ltd., Osaka, JP;
Takashi Kanno, Osaka, JP;
Sumitomo Electric Industries, Ltd., Osaka, JP;
Abstract
Provided is a bipolar plate including a first surface and a second surface facing each other, in which each of the first surface and the second surface includes a first edge, a second edge, and a middle region, the middle region includes a plurality of groove portions through which the electrolyte flows, the middle region includes a specific cross section obtained by cutting the bipolar plate in a specific direction, the specific direction is a direction orthogonal to a direction from the first edge toward the second edge, the specific cross section is a cross section having a cross-sectional area ratio B/(A+B) greater than or equal to 0.05 and less than or equal to 0.60, A is a cross-sectional area of the bipolar plate, and B is a total cross-sectional area of the plurality of groove portions.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile