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:
Jan. 08, 2008
Filed:
Jan. 21, 2005
Seiji Omura, Daito, JP;
Hiroshi Nakajima, Hirakata, JP;
Yohei Kawata, Hirakata, JP;
Mitsuru Shirasaka, Amagasaki, JP;
Seiji Omura, Daito, JP;
Hiroshi Nakajima, Hirakata, JP;
Yohei Kawata, Hirakata, JP;
Mitsuru Shirasaka, Amagasaki, JP;
Sanyo Electric Co., Ltd., Osaka, JP;
Abstract
An electric double layer capacitor including a separator, a pair of polarizing electrodes disposed opposite to each other with the separator interposed therebetween, an electrolytic solution impregnated in a pair of the polarizing electrodes and the separator, an exterior cover and an exterior case for accommodating the separator, a pair of the polarizing electrodes, and the electrolytic solution, and a gasket disposed between the outer circumferential part of the exterior cover and the inner circumferential part of the exterior case, the storage space formed by the exterior case and the exterior cover being hermetically sealed by inwardly bending the opening tip portion of the exterior case, is characterized in that no folded-back part is provided at the outer circumferential part of the exterior cover, and the gasket is polyether ether ketone.