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:
Nov. 13, 2018
Filed:
Sep. 27, 2016
Applicants:
Shizuka Hashida, Shizuoka, JP;
Hiroshi Yamashita, Shizuoka, JP;
Minoru Masuda, Shizuoka, JP;
Hiroshi Yamada, Shizuoka, JP;
Masanori Rimoto, Shizuoka, JP;
Inventors:
Shizuka Hashida, Shizuoka, JP;
Hiroshi Yamashita, Shizuoka, JP;
Minoru Masuda, Shizuoka, JP;
Hiroshi Yamada, Shizuoka, JP;
Masanori Rimoto, Shizuoka, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03G 9/097 (2006.01); G03G 15/08 (2006.01); G03G 9/08 (2006.01);
U.S. Cl.
CPC ...
G03G 15/08 (2013.01); G03G 9/0825 (2013.01); G03G 9/09783 (2013.01);
Abstract
A toner includes a binder resin. Particles of a metal complex or a salt of an aromatic carboxylic acid derivative having a number-average particle diameter of from 0.2 μm to 1.0 μm are present on the surface of the toner. A coverage of the particles of a metal complex or a salt of an aromatic carboxylic acid derivative over the surface of the toner is from 10% to 50%.