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.

Date of Patent:
Mar. 20, 1990

Filed:

Jan. 27, 1989
Applicant:
Inventors:

Kunihisa Yoshino, Hachioji, JP;

Kimio Nishizawa, Hachioji, JP;

Hiroshi Tokunaga, Hachioji, JP;

Toshihiro Takesue, Hachioji, JP;

Assignee:

Konica Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
346157 ; 355246 ; 355327 ;
Abstract

An image forming apparatus wherein a toner image obtained by developing a first electrostatic latent image with a first color dry toner by a first developing device and a toner image obtained by developing a second electrostatic latent image with second color dry toner which is different in color from said first color dry toner by a second developing means are superposed on an image retainer, and wherein toner feeding speeds at which the first and second developing devices develop the first and second electrostatic latent images, resepctively, are different from each other and an attached amount of the second color toner is smaller than that of the first color toner.


Find Patent Forward Citations

Yoshino, Kunihisa. (1990). Image forming apparatus (U.S. Patent No. 4910535). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4910535

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

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