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. 18, 2009
Filed:
Dec. 02, 2004
Masayuki Sato, Osaka, JP;
Masashige Ashizaki, Osaka, JP;
Koichi Morikawa, Kyoto, JP;
Isamu Nishiyama, Osaka, JP;
Nario Niibo, Osaka, JP;
Masayuki Taniguchi, Kyoto, JP;
Masayuki Sato, Osaka, JP;
Masashige Ashizaki, Osaka, JP;
Koichi Morikawa, Kyoto, JP;
Isamu Nishiyama, Osaka, JP;
Nario Niibo, Osaka, JP;
Masayuki Taniguchi, Kyoto, JP;
Panasonic Corporation, Osaka, JP;
Abstract
A coin-shaped storage cell () has a pair of polarizable electrodes (), an insulating separator () interposed between the polarizable electrodes, an electrolytic solution () impregnated in the polarizable electrodes () and the separator (), a metal case () for housing the polarizable electrodes (), an insulating ring packing () arranged in the metal case, and a top lid () which is caulked integrally with the metal case () via the ring packing (). The inner bottom surface of the metal case () is provided with recessed and projected portions.