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:
Sep. 15, 2026
Filed:
Jun. 19, 2019
Applicant:
Asahi Kasei Kabushiki Kaisha, Tokyo, JP;
Inventor:
Hiroyuki Saeki, Tokyo, JP;
Assignee:
Asahi Kasei Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 50/463 (2021.01); H01M 10/0587 (2010.01); H01M 50/443 (2021.01); H01M 50/489 (2021.01); H01M 50/491 (2021.01);
U.S. Cl.
CPC ...
H01M 50/463 (2021.01); H01M 10/0587 (2013.01); H01M 50/443 (2021.01); H01M 50/489 (2021.01); H01M 50/491 (2021.01);
Abstract
A separator used for a non-aqueous electrolyte battery comprises a substrate, and a plurality of protruding patterns on at least one principal surface of the substrate, wherein the substrate includes one or more layers, and the value of T1/T2 is 0.3 or more where T1 is the distance between an approximately flat surface formed at the top of the protruding pattern and an approximately flat surface formed at the bottom of the protruding pattern, and T2 is the total thickness of the separator.
Saeki, Hiroyuki. (2026). Separator having fine pattern, wound body, and non-aqueous electrolyte battery (U.S. Patent No. 12738601). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12738601
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile