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:
Jan. 28, 2014
Filed:
Aug. 05, 2011
Applicants:
Kazuya Okabe, Kyoto, JP;
Yoshikatsu Ohtani, Kyoto, JP;
Yoshihiro Takaura, Kyoto, JP;
Inventors:
Assignee:
GS Yuasa International Ltd., Kyoto-shi, Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/70 (2006.01);
U.S. Cl.
CPC ...
Abstract
An electrode sheet includes a sheet of metal foil, at least one region coated with at least one active material layer subjected to working by rolling, the at least one coated region being provided in at least one central portion of the sheet of metal foil, at least one region uncoated with the at least one active material layer, the at least one uncoated region being provided in at least one edge portion of the sheet of metal foil, and at least one region subjected to working by drawing, the at least one drawn region being provided in at least a portion of the at least one uncoated region.