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:
Apr. 12, 2011
Filed:
Apr. 26, 2007
Applicants:
Tatsuya Yamazaki, Shizuoka, JP;
Yuji Tsuchida, Shizuoka, JP;
Inventors:
Tatsuya Yamazaki, Shizuoka, JP;
Yuji Tsuchida, Shizuoka, JP;
Assignee:
FDK Energy Co., Ltd., Shizuoka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 2/30 (2006.01);
U.S. Cl.
CPC ...
Abstract
A battery comprising electrode terminalsof a steel plate having a nickel bright-plating. The surface of the steel plate is dull finished and the concentration of sulfur and sulfur compound in the nickel bright-plating is at 0.02% or less by weight.