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:
Oct. 06, 1998
Filed:
May. 13, 1997
Applicant:
Inventors:
Jun Murata, Kawagoe, JP;
Yoshiaki Nishimura, Tokyo, JP;
Akiya Kume, Kawasaki, JP;
Hiroshi Mayuzumi, Kawasaki, JP;
Assignee:
Canon Kaubshiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
399176 ; 399313 ; 361225 ; 492 56 ;
Abstract
The present invention pertains to a charging member which is energized to charge a chargeable member by contact-electrification and which comprises a conductive elastic layer having a surface layer containing a polymer having a main chain containing a structural unit of the following formula:
Murata, Jun. (1998). Charging member and image-forming unit having the same (U.S. Patent No. 5819142). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5819142
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile