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.

Date of Patent:
Jul. 14, 2026

Filed:

Mar. 24, 2023
Applicant:

Fujifilm Business Innovation Corp., Tokyo, JP;

Inventors:

Yasuko Torii, Kanagawa, JP;

Yosuke Tsurumi, Kanagawa, JP;

Soichiro Arai, Kanagawa, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G 9/08 (2006.01); G03G 9/087 (2006.01); G03G 9/097 (2006.01); G03G 15/08 (2006.01);
U.S. Cl.
CPC ...
G03G 9/09725 (2013.01); G03G 9/0819 (2013.01); G03G 9/08711 (2013.01); G03G 15/0865 (2013.01);
Abstract

An electrostatic charge image developing toner contains toner particles that contain a binder resin and resin particles and silica particles (A) that are externally added to the toner particles and contain a nitrogen element-containing compound containing a molybdenum element, in which a ratio N/Nof Net intensity Nof the molybdenum element measured by X-ray fluorescence analysis to Net intensity Nof a silicon element measured by X-ray fluorescence analysis is 0.035 or more and 0.45 or less.


Find Patent Forward Citations

Loading…