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. 29, 2025
Filed:
Apr. 25, 2022
Applicant:
Fujifilm Business Innovation Corp., Tokyo, JP;
Inventors:
Shimpei Takagi, Kanagawa, JP;
Sakae Takeuchi, Kanagawa, JP;
Yuka Zenitani, Kanagawa, JP;
Koji Sasaki, Kanagawa, JP;
Yoshifumi Eri, Kanagawa, JP;
Mai Mochida, Kanagawa, JP;
Assignee:
FUJIFILM Business Innovation Corp., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 9/097 (2005.12); G03G 9/08 (2005.12); G03G 9/087 (2005.12);
U.S. Cl.
CPC ...
G03G 9/09725 (2012.12); G03G 9/0821 (2012.12); G03G 9/0827 (2012.12); G03G 9/08797 (2012.12);
Abstract
An electrostatic charge image developing toner contains toner particles and silica particles that are added to an exterior of the toner particles and contain a nitrogen element-containing compound containing a molybdenum element, in which in the silica particles, a ratio (Mo/Si) of Net intensity of the molybdenum element to Net intensity of a silicon element measured by X-ray fluorescence analysis is 0.035 or more and 0.35 or less.