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.

Date of Patent:
Jan. 13, 2004

Filed:

Mar. 03, 2003
Applicant:
Inventors:

Yuji Nakagawa, Tokyo, JP;

Toshihiko Nishiyama, Sendai, JP;

Hiroyuki Kamisuki, Sendai, JP;

Gaku Harada, Tokyo, JP;

Shinako Kaneko, Sendai, JP;

Masato Kurosaki, Tokyo, JP;

Tomoki Nobuta, Sendai, JP;

Masaya Mitani, Sendai, JP;

Assignee:

NEC Tokin Corporation, Sendai, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01G 9/00 ;
U.S. Cl.
CPC ...
H01G 9/00 ;
Abstract

An electric energy storage element is provided which contains a secondary battery or a capacitor, and which uses a quinoxaline trimer compound as an electrode active substance and a proton as a charge carrier for the trimer compound. The trimer compound includes a quinoxaline or a quinoxaline derivative.


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