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. 25, 2012
Filed:
Sep. 16, 2009
Katsuo Naoi, Tokyo, JP;
Kazutoshi Emoto, Tokyo, JP;
Kiyonori Hinoki, Tokyo, JP;
Masahiro Saegusa, Tokyo, JP;
Kenji Nishizawa, Tokyo, JP;
Mitsuo Kougo, Tokyo, JP;
Katsuo Naoi, Tokyo, JP;
Kazutoshi Emoto, Tokyo, JP;
Kiyonori Hinoki, Tokyo, JP;
Masahiro Saegusa, Tokyo, JP;
Kenji Nishizawa, Tokyo, JP;
Mitsuo Kougo, Tokyo, JP;
TDK Corporation, Tokyo, JP;
Abstract
An electrode having a current collector with a plurality of through holes, and active material layers provided on both sides of the current collector. The current collector has projections extending on the top side or on the back side of the current collector from edges of the through holes, and an angle between each of the projections and a surface direction of the current collector is in the range of 30 to 80°.