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:
Oct. 13, 2015
Filed:
Apr. 15, 2015
Applicant:
Kyocera Document Solutions Inc., Osaka-shi, Osaka, JP;
Inventors:
Yukimasa Watanabe, Osaka, JP;
Sakae Saito, Osaka, JP;
Hiroaki Sakai, Osaka, JP;
Yasuhiro Oishi, Osaka, JP;
Masashi Fujishima, Osaka, JP;
Chikara Ishihara, Osaka, JP;
Yasuhiro Tauchi, Osaka, JP;
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/08 (2006.01); G03G 15/09 (2006.01);
U.S. Cl.
CPC ...
G03G 15/0808 (2013.01); G03G 15/09 (2013.01);
Abstract
The present disclosure relates to a developing roller having a conductive support base, a surface of which is covered with a resin layer, wherein the resin layer contains conductive fine particles and soluble nylon serving as a binder resin, and the resin layer surface has a surface roughness Ra of at least 0.4 μm, a waviness curve cycle of 50 to 400 μm, and a waviness curve height of 2 to 10 μm.