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:
Sep. 04, 1984
Filed:
Mar. 25, 1982
Applicant:
Inventors:
Haruo Hasegawa, Kawasaki, JP;
Kenji Seki, Yokohama, JP;
Hideaki Ema, Kawasaki, JP;
Masahide Harada, Tokyo, JP;
Shiro Yamane, Yokohama, JP;
Assignee:
Ricoh Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ; G03G / ;
U.S. Cl.
CPC ...
430126 ; 430 58 ; 430 66 ;
Abstract
Electrophotographic light-sensitive member having a protective coating on a photoconductive layer of the light-sensitive member, said protective coating consisting of an organic high polymer containing Lewis acid.
Hasegawa, Haruo. (1984). Electrophotographic light-sensitive member with thin overlayer (U.S. Patent No. 4469771). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4469771
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile