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:
Jan. 08, 1991
Filed:
May. 30, 1989
Applicant:
Inventors:
Mitsuru Honda, Yokohama, JP;
Takahiro Kubo, Tokyo, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
118656 ; 118657 ; 355259 ; 355251 ;
Abstract
A developing apparatus for developing an electrostatic latent image includes a container for containing a developer, a rotatable developing roller for carrying the developer supplied from the developer container into a developing zone where the electrostatic latent image is developed, the developing roller having a developer carrying surface having fine concavities and finely smooth ironed surface portions.