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:
Sep. 24, 2019
Filed:
Apr. 30, 2018
Fuji Xerox Co., Ltd., Tokyo, JP;
Moegi Iguchi, Kanagawa, JP;
Sakon Takahashi, Kanagawa, JP;
Soutaro Kakehi, Kanagawa, JP;
Yuka Yamagishi, Kanagawa, JP;
Yutaka Saito, Kanagawa, JP;
Mona Tasaki, Kanagawa, JP;
Tsutomu Furuta, Kanagawa, JP;
Tsuyoshi Murakami, Kanagawa, JP;
Satoshi Kamiwaki, Kanagawa, JP;
FUJI XEROX CO., LTD., Tokyo, JP;
Abstract
An electrostatic charge image developing toner includes: a toner particle and a strontium titanate particle that is externally added to the toner particle, in which an average primary particle diameter of the strontium titanate particle that is present on a surface of the toner particle is 30 nm or more and 100 nm or less, and average primary particle circularity is 0.82 or more and 0.94 or less, and in which circularity that becomes 84% of accumulation of the primary particle is greater than 0.92.