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:
Jun. 14, 2016
Filed:
May. 12, 2014
Applicants:
Atsushi Yamamoto, Osaka, JP;
Hiroshi Yamada, Shizuoka, JP;
Takamasa Hase, Shizuoka, JP;
Kohsuke Nagata, Shizuoka, JP;
Inventors:
Atsushi Yamamoto, Osaka, JP;
Hiroshi Yamada, Shizuoka, JP;
Takamasa Hase, Shizuoka, JP;
Kohsuke Nagata, Shizuoka, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03G 9/087 (2006.01); G03G 15/08 (2006.01); G03G 9/08 (2006.01);
U.S. Cl.
CPC ...
G03G 9/08764 (2013.01); G03G 9/0819 (2013.01); G03G 9/0825 (2013.01); G03G 9/08755 (2013.01); G03G 9/08797 (2013.01); G03G 15/0865 (2013.01);
Abstract
To provide a toner for developing an electrostatic image, the toner including toner particles, wherein the toner particles contain: a non-crystalline resin A; and a crystalline resin, wherein the crystalline resin contains a crystalline resin C containing a urethane bond, or a urea bond, or both thereof, and wherein the toner particles each have a sea-island structure, where the resin C is dispersed in the non-crystalline resin on a cross-section of the toner particle.