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. 08, 2016
Filed:
Nov. 12, 2014
Applicant:
Kyocera Document Solutions Inc., Osaka, JP;
Inventors:
Masashi Tamagaki, Osaka, JP;
Tomoyuki Ogawa, Osaka, JP;
Assignee:
KYOCERA Document Solutions Inc., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 9/093 (2006.01); G03G 9/113 (2006.01); G03G 9/097 (2006.01);
U.S. Cl.
CPC ...
G03G 9/1139 (2013.01); G03G 9/09392 (2013.01); G03G 9/09716 (2013.01); G03G 9/09725 (2013.01);
Abstract
A toner includes a plurality of toner particles that each include a toner mother particle and an external additive adhering to a surface of the toner mother particle. The toner mother particle includes a core and a shell layer disposed over a surface of the core. The external additive contains silica particles. The toner mother particle has a hydrophobicity of at least 0% and less than 20%. The external additive has a hydrophobicity of at least 5% and no greater than 20%. The hydrophobicity of the toner mother particle is less than the hydrophobicity of the external additive.