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:
Apr. 05, 1977
Filed:
May. 28, 1975
Applicant:
Inventors:
Wasaburo Ohta, Tokyo, JA;
Koji Hirakura, Tokyo, JA;
Assignee:
Kabushiki Kaisha Ricoh, Tokyo, JA;
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
96-15 ; 96-18 ; 96 / ; 252501 ;
Abstract
The present invention relates to a photosensitive material for use in electrophotographic processes requiring at least two stages of charging which is superior in sensitivity, durability and hydrophilicity, said photosensitive material comprising a conductive substrate on which there is (1) a photoconductive layer containing an inorganic photoconductive substance and an inorganic glass and (2) a transparent insulating layer which is an inorganic glass, and may include a protective thin layer of a metal oxide.