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:
Jan. 07, 2025
Filed:
Oct. 13, 2021
Applicant:
Fujifilm Business Innovation Corp., Tokyo, JP;
Inventors:
Satoshi Miura, Kanagawa, JP;
Yoshimasa Fujihara, Kanagawa, JP;
Atsushi Sugawara, Kanagawa, JP;
Shintaro Anno, Kanagawa, JP;
Daisuke Noguchi, Kanagawa, JP;
Assignee:
FUJIFILM Business Innovation Corp., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G 9/08 (2006.01); G03G 9/087 (2006.01); G03G 9/09 (2006.01); G03G 9/097 (2006.01);
U.S. Cl.
CPC ...
G03G 9/0821 (2013.01); G03G 9/0825 (2013.01); G03G 9/08711 (2013.01); G03G 9/08755 (2013.01); G03G 9/0924 (2013.01); G03G 9/09733 (2013.01);
Abstract
An electrostatic charge image developing toner includes a toner particle that contains a binder resin having an acid value of 5 mgKOH/g or more and 25 mgKOH/g or less, and a pigment having an isoindoline skeleton, in which a total Net intensity Nof an alkali metal and an alkaline earth metal, which is measured by fluorescent X-ray analysis, in the toner particle is 1.50 kcps or more and 4.00 kcps or less.