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:
Dec. 22, 1998

Filed:

Apr. 24, 1996
Applicant:
Inventors:

Kazuo Tsubuko, Numazu, JP;

Akihiko Gotoh, Susono, JP;

Tsuyoshi Asami, Yokohama, JP;

Kazuyo Mizuno, Numazu, JP;

Akihiro Koseki, Numazu, JP;

Assignee:

Ricoh Company, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
430111 ; 430114 ;
Abstract

A developer for use in electrophotography for developing latent electrostatic images to visible toner images, includes at least two kinds of toner particles with different shapes selected from the group consisting of spherical toner particles, fibrous toner particles and amorphous toner particles, each toner particle containing a coloring agent and a binder resin. There is provided a liquid developer including a toner which is dispersed in a carrier liquid, in which the toner includes at least two kinds of the above-mentioned toner particles with different shapes. An electrophotographic image formation method using the above-mentioned liquid developer is also provided.


Find Patent Forward Citations

Loading…