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:
Feb. 13, 2001
Filed:
Sep. 25, 1997
Applicant:
Inventors:
Masaki Ojima, Mishima, JP;
Takashi Kawana, Yokohama, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 1/500 ;
U.S. Cl.
CPC ...
G03G 1/500 ;
Abstract
A process cartridge removably mountable on a body of an image forming apparatus, includes an electrophotographic photosensitive member, a process device acting on the electrophotographic photosensitive member, and a memory storing therein information regarding the process cartridge. It is characterized in that the memory itself stores therein the frequency of writing of information into the memory.