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:
May. 01, 2001
Filed:
Sep. 13, 1999
Applicant:
Inventors:
Tsuyoshi Nakagawa, Tokyo, JP;
Norihisa Hoshika, Mishima, JP;
Tetsuya Kobayashi, Numazu, JP;
Yoshiro Saito, Numazu, JP;
Kazunori Hashimoto, Susono, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 1/500 ; G03G 1/508 ;
U.S. Cl.
CPC ...
G03G 1/500 ; G03G 1/508 ;
Abstract
A unit detachably attachable to a main body of an image forming apparatus includes developing means for developing a latent image born on an image bearing body and storage means for storing a time which has elapsed from a last developing operation of the developing means.