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:
Nov. 30, 2010
Filed:
Jul. 22, 2008
Masaharu Miyahisa, Osaka, JP;
Yoshiki Ohsawa, Osaka, JP;
Hideyuki Kumakiri, Osaka, JP;
Tsutomu Nishioka, Osaka, JP;
Shusaku Goto, Osaka, JP;
Takeshi Kasamatsu, Osaka, JP;
Masaharu Miyahisa, Osaka, JP;
Yoshiki Ohsawa, Osaka, JP;
Hideyuki Kumakiri, Osaka, JP;
Tsutomu Nishioka, Osaka, JP;
Shusaku Goto, Osaka, JP;
Takeshi Kasamatsu, Osaka, JP;
Panasonic Corporation, Osaka, JP;
Abstract
An electrode plate includes a both-surface coated partin which an electrode active material layeris provided on both surfaces of a current collector core material, a core material exposed partin which the negative electrode active material layeris not provided, and a one-surface coated partin which the negative electrode active material layeris provided on only one surface of the current collector core material. A plurality of groovesare formed in both surfaces of the both-surface coated partand the groovesare not formed in the one-surface coated part