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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.:

US 4860053 B1

PDFFull Text
Date of Patent:
Aug. 22, 1989

Filed:

Oct. 20, 1987

Color image forming apparatus having a plurality of developing units

Applicant:
Inventors:

Haruo Yamamoto, Sennan, JP;

Takao Ichihashi, Sakai, JP;

Shuji Fujisawa, Ibaragi, JP;

Eiichi Tone, Sakai, JP;

Takeshi Tsuda, Sakai, JP;

Assignee:

Mita Industrial Co., Ltd., Osaka, JP;

Attorney:

Koda and Androlia

Primary Examiner:

R L Moses

Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
355245 ; 355251 ; 355326 ; 118645 ;
Abstract

A multicolor image forming apparatus having a plurality of developing units respectively containing different color developers; comprising a newly selected developing unit switching timing controller for controlling the rotation of the photoreceptor and the timing for switching of the newly selected developing unit, or a previously selected developing unit switching timing controller for controlling the rotation of the photoreceptor and the switching timing of the previously selected developing unit.

Find Patent Forward Citations

Yamamoto, Haruo. (1989). Color image forming apparatus having a plurality of developing units (U.S. Patent No. 4860053). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4860053

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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