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. 29, 1981
Filed:
Dec. 17, 1979
Applicant:
Inventor:
Toshimasa Takano, Sagamihara, JP;
Assignee:
Tokyo Shibaura Denki Kabushiki Kaisha, Kawasaki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
430 63 ; 430 56 ; 430 60 ; 430127 ; 355 / ; 229-45 ; 229 / ; 229 / ;
Abstract
An electronic copying apparatus includes a photosensitive drum having a drum body and a photosensitive layer of (ZnO) formed on the outer periphery of the drum body. Said drum body has a hollow cylinder made of paper or synthetic resin, a conductive layer formed on the outer periphery of said hollow cylinder and a low resistance layer formed on the outer peripheral surface of the conductive layer, said photosensitive layer formed on the outer peripheral surface of said low resistance layer.
Takano, Toshimasa. (1981). Photoconductive drum with paper layer attachment (U.S. Patent No. 4292386). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4292386
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile