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. 30, 2001
Filed:
Apr. 16, 1999
Applicant:
Inventors:
Noboru Kuroda, Shizuoka, JP;
Kohsuke Suzuki, Shizuoka, JP;
Yohichiroh Watanabe, Shizuoka, JP;
Keiko Shiraishi, Shizuoka, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03G 9/097 ;
U.S. Cl.
CPC ...
G03G 9/097 ;
Abstract
A multi-color toner set includes a plurality of color toners with different colors, each color toner including toner particles, each toner particle including a binder resin, a pigment and a releasing agent, at least part of the releasing agent being present in the form of domains in the binder resin, with a difference between a maximum content and a minimum content of the releasing agent in the form of domains in the binder resin in each of the color toners being in a range of 20% or less. Multi-color images can be formed, using this multi-color toner set.