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.:

US 8953302 B1

PDF
Full Text
Expired
Date of Patent:
Feb. 10, 2015

Filed:

Dec. 05, 2012
Applicant:

Taiyo Yuden Co., Ltd., Tokyo, JP;

Inventor:

Naoto Hagiwara, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01G 9/00 (2006.01); H01G 9/02 (2006.01); H01G 11/52 (2013.01);
U.S. Cl.
CPC ...
H01G 9/02 (2013.01); H01G 11/52 (2013.01); Y02E 60/13 (2013.01);
Abstract

One of the objects of the present invention is to provide a separator for an electrochemical device, capable of suppressing an increase in a resistance value of a storage element. In accordance with one aspect of the present invention, a separatorfor an electrochemical device is formed such that plural high porosity portionsfrom an upper surface to a lower surface in a thickness direction thereof and plural low porosity portionsfrom the upper surface to the lower surface in the thickness direction thereof are arranged in a region which is interposed between a positive electrodeand a negative electrode


Find Patent Forward Citations

Hagiwara, Naoto. (2015). Electrochemical device and a separator for electrochemical device (U.S. Patent No. 8953302). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8953302

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

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