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:
Dec. 11, 2012
Filed:
Apr. 01, 2011
Applicants:
Makoto Matsushita, Osaka, JP;
Chiyoshi Nozaki, Shiga, JP;
Shuuichi Nakagawa, Osaka, JP;
Akira Izutani, Osaka, JP;
Inventors:
Makoto Matsushita, Osaka, JP;
Chiyoshi Nozaki, Shiga, JP;
Shuuichi Nakagawa, Osaka, JP;
Akira Izutani, Osaka, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/16 (2006.01); H01B 1/24 (2006.01);
U.S. Cl.
CPC ...
Abstract
A conductive composition including a matrix resin comprising a thermoplastic resin, a conductive agent comprising a carbon black having an amine value of 1 to 100 mgKOH/g, and a stiffening agent comprising an acid anhydride, a carboxylic acid, or a compound having an epoxy group.