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. 05, 2005
Filed:
Nov. 01, 2002
Masaya Mitani, Sendai, JP;
Toshihiko Nishiyama, Sendai, JP;
Hiroyuki Kamisuki, Sendai, JP;
Gaku Harada, Tokyo, JP;
Masato Kurosaki, Tokyo, JP;
Yuji Nakagawa, Tokyo, JP;
Tomoki Nobuta, Sendai, JP;
Shinako Kaneko, Sendai, JP;
Masaya Mitani, Sendai, JP;
Toshihiko Nishiyama, Sendai, JP;
Hiroyuki Kamisuki, Sendai, JP;
Gaku Harada, Tokyo, JP;
Masato Kurosaki, Tokyo, JP;
Yuji Nakagawa, Tokyo, JP;
Tomoki Nobuta, Sendai, JP;
Shinako Kaneko, Sendai, JP;
NEC TOKIN Corporation, Sendai, JP;
Abstract
An electrochemical cell contains, as an electrode active material, a mixture of trimer compounds each in the form of indoles or indole derivatives coupled to each other in second and third positions thereof, and tetramer compounds each of indoles or indole derivatives. In the cell, protons are used as charge carriers.