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. 02, 2014
Filed:
Sep. 01, 2008
Applicants:
Shinji Motokawa, Tokyo, JP;
Naoki Hirakawa, Tokyo, JP;
Inventors:
Shinji Motokawa, Tokyo, JP;
Naoki Hirakawa, Tokyo, JP;
Assignee:
Synztec Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05C 1/08 (2006.01); G03G 15/20 (2006.01); G03G 15/08 (2006.01);
U.S. Cl.
CPC ...
G03G 15/2057 (2013.01); G03G 15/0818 (2013.01);
Abstract
To provide a conductive rubber member which exhibits small variation in electrical resistance and a stable electrical resistance for a long period of time. The conductive rubber member include a conductive elastic layer formed of a rubber material which has been imparted with electrical conductivity, wherein the conductive elastic layer has a surface-treatment layer which has been produced through impregnating a surface portion of the conductive elastic layer with a surface-treating liquid containing an isocyanate compound and carbon black which has undergone dispersion treatment.