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:
Mar. 21, 2017
Filed:
Nov. 05, 2015
Applicants:
Tomoharu Asano, Kanagawa, JP;
Eiji Kurimoto, Shizuoka, JP;
Tetsuro Suzuki, Shizuoka, JP;
Daisuke Nii, Shizuoka, JP;
Toshihiro Ishida, Shizuoka, JP;
Inventors:
Tomoharu Asano, Kanagawa, JP;
Eiji Kurimoto, Shizuoka, JP;
Tetsuro Suzuki, Shizuoka, JP;
Daisuke Nii, Shizuoka, JP;
Toshihiro Ishida, Shizuoka, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03G 5/14 (2006.01); G03G 5/043 (2006.01);
U.S. Cl.
CPC ...
G03G 5/144 (2013.01); G03G 5/043 (2013.01); G03G 5/142 (2013.01);
Abstract
An electrophotographic photoreceptor includes a substrate, an undercoat layer overlying the substrate, and a photosensitive layer overlying the undercoat layer. The undercoat layer includes a binder resin, a metal oxide particle and a compound having a thiol group.