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. 07, 1993
Filed:
Apr. 20, 1992
Applicant:
Inventors:
Minoru Matsuo, Sagamihara, JP;
Minoru Taguchi, Yokohama, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G / ; G03G / ;
U.S. Cl.
CPC ...
430128 ; 430 58 ; 430127 ;
Abstract
Disclosed herein is an electrophotographic photoreceptor comprising a charge generation layer and a charge transport layer disposed in lamination on a substrate, in which at least one of said charge generation layer and said charge transport layer is a vacuum vapor deposition film containing a binding polymer.