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:
Aug. 08, 2006
Filed:
May. 25, 2001
Applicant:
Isao Matsumoto, Osaka-shi, Osaka-fu, JP;
Inventor:
Isao Matsumoto, Osaka-shi, Osaka-fu, JP;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/52 (2006.01);
U.S. Cl.
CPC ...
Abstract
Spirally-rolled electrodes for batteries wherein the electrodes having a concentric circle shape or an elliptic shape with positive electrode and negative electrode wound spirally via a separator therebetween has the characteristics as below: