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. 16, 1997
Filed:
Jun. 05, 1995
Applicant:
Inventors:
Masami Okuda, Yokohama, JP;
Hisami Tanaka, Yokohama, JP;
Junichi Kishi, Tokyo, JP;
Hiroyuki Ohmori, Tokyo, JP;
Takashi Koyama, Yokohama, JP;
Masafumi Hisamura, Toride, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G / ; G03G / ; H01T / ;
U.S. Cl.
CPC ...
399174 ; 399176 ; 361225 ; 361230 ; 428330 ; 428412 ; 4284231 ; 428906 ; 430 31 ; 430902 ;
Abstract
A charging member for electrophotography comprising a surface layer, wherein the surface layer comprises a resin and an alkali metal salt contained therein.