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:
Apr. 17, 2018
Filed:
Jul. 25, 2016
Applicant:
Fuji Xerox Co., Ltd., Tokyo, JP;
Inventors:
Yasuo Kadokura, Kanagawa, JP;
Hiroyoshi Okuno, Kanagawa, JP;
Satoshi Inoue, Kanagawa, JP;
Yoshifumi Iida, Kanagawa, JP;
Tomohito Nakajima, Kanagawa, JP;
Yuka Zenitani, Kanagawa, JP;
Yoshifumi Eri, Kanagawa, JP;
Yasuhisa Morooka, Kanagawa, JP;
Shunsuke Nozaki, Tokyo, JP;
Takeshi Iwanaga, Kanagawa, JP;
Sakae Takeuchi, Kanagawa, JP;
Assignee:
FUJI XEROX CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 9/097 (2006.01); G03G 9/087 (2006.01); G03G 15/08 (2006.01); G03G 9/08 (2006.01); G03G 9/113 (2006.01);
U.S. Cl.
CPC ...
G03G 9/08755 (2013.01); G03G 9/0819 (2013.01); G03G 9/0827 (2013.01); G03G 9/08782 (2013.01); G03G 9/08795 (2013.01); G03G 9/08797 (2013.01); G03G 9/09725 (2013.01); G03G 9/09766 (2013.01); G03G 9/1139 (2013.01); G03G 15/0865 (2013.01);
Abstract
A toner for electrostatic image development includes toner particles; and an external additive containing silica particles and polytetrafluorethylene particles, the silica particles having a compression-aggregation degree of 60% or more and 95% or less and a particle compression ratio of 0.20 or more and 0.40 or less.