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:
Dec. 05, 2017
Filed:
Jul. 25, 2016
Fuji Xerox Co., Ltd., Tokyo, JP;
Yasuhisa Morooka, 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;
Takeshi Iwanaga, Kanagawa, JP;
Sakae Takeuchi, Kanagawa, JP;
Shunsuke Nozaki, Tokyo, JP;
Yasuo Kadokura, Kanagawa, JP;
FUJI XEROX CO., LTD., Tokyo, JP;
Abstract
An electrostatic charge image developer includes an electrostatic charge image developing toner that includes toner particles, and an external additive which is added to the toner particles and which includes silica particles whose compression aggregation degree is from 60% to 95% and particle compression ratio is from 0.20 to 0.40, and a carrier for developing an electrostatic charge image that includes a core particle and a resin coated layer which covers a surface of the core particle and that has a surface roughness Ra (based on JIS-B0601) of 0.5 μm or less and a circularity of 0.975 or more.