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:
Jan. 20, 2026

Filed:

Nov. 12, 2020
Applicant:

Sanyo Electric Co., Ltd., Osaka, JP;

Inventors:

Hitoshi Maeda, Hyogo, JP;

Mitsuhiro Okada, Hyogo, JP;

Hiroshi Takabayashi, Hyogo, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 50/244 (2021.01); H01M 50/186 (2021.01); H01M 50/593 (2021.01);
U.S. Cl.
CPC ...
H01M 50/244 (2021.01); H01M 50/186 (2021.01); H01M 50/593 (2021.01);
Abstract

An electricity storage device includes: an electrode body including at least one positive electrode plate, at least one negative electrode plate, and a separator. an insulating holder that is formed by folding a sheet made of an insulating material and accommodates therein the electrode body; an outer case which has an opening and accommodates therein the electrode body with the insulating holder and an electrolyte; and a sealing plate. The outer case has a bottom plate part and a plurality of side walls standing from the bottom plate part, and the opening is formed in a position to face the bottom plate part. The insulating holder has a plurality of side surface parts respectively facing the plurality of side walls, and a bottom surface part that faces the bottom plate part. At least one of the side surface parts or the bottom surface part has a bellow-folded structure.


Find Patent Forward Citations

Maeda, Hitoshi. (2026). Electricity storage device and insulating holder (U.S. Patent No. 12531304). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12531304

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

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