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.

Date of Patent:
May. 19, 2026

Filed:

Oct. 14, 2021
Applicant:

Kabushiki Kaisha Toyota Jidoshokki, Kariya, JP;

Inventors:

Yuki Okamoto, Kariya, JP;

Yoshikatsu Kawabata, Kariya, JP;

Masaki Inoue, Kariya, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 10/0585 (2010.01); H01G 11/68 (2013.01); H01M 4/583 (2010.01); H01M 4/66 (2006.01); H01M 10/0525 (2010.01);
U.S. Cl.
CPC ...
H01M 10/0585 (2013.01); H01G 11/68 (2013.01); H01M 4/583 (2013.01); H01M 4/661 (2013.01); H01M 10/0525 (2013.01);
Abstract

A power storage device includes a first electrode including a first active material layer formed on a first surface, a second electrode including a second active material layer formed on a first surface, a separator, and a spacer. The first active material layer has a longitudinal side of a first length. The second area has a second length between the spacer and the first active material layer. A ratio of the second length to the first length is 0.02 or less. At least one of corners of the first active material layer has a shape chamfered in an arc shape. A radius of curvature at a portion of the corner having a maximum curvature is 5 mm or more.


Find Patent Forward Citations

Okamoto, Yuki. (2026). Power storage device (U.S. Patent No. 12633575). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12633575

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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