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 8187755 B1

PDF
Full Text
Expired
Date of Patent:
May. 29, 2012

Filed:

Feb. 29, 2008
Applicants:

Masaya Ugaji, Osaka, JP;

Keisuke Ohara, Osaka, JP;

Kazuhiro Watanabe, Osaka, JP;

Inventors:

Masaya Ugaji, Osaka, JP;

Keisuke Ohara, Osaka, JP;

Kazuhiro Watanabe, Osaka, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 4/76 (2006.01); H01M 4/13 (2010.01); H01M 4/58 (2010.01); B05D 5/12 (2006.01);
U.S. Cl.
CPC ...
Abstract

Having a current collector having a concave portion and a convex portion at least on one side, and a columnar body formed on the convex portion of the current collector, the columnar body contains an active material for inserting and extracting lithium ions bonding at least with oxygen, and the oxygen content ratio of the active material of the columnar body becomes smaller as going away from the interface of the current collector.


Find Patent Forward Citations

Ugaji, Masaya. (2012). Electrode for electrochemical element, its manufacturing method, and electrochemical element using the same (U.S. Patent No. 8187755). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8187755

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

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