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:
Nov. 04, 2025
Filed:
Jan. 28, 2022
Applicant:
Fujifilm Business Innovation Corp., Tokyo, JP;
Inventors:
Asafumi Fujita, Kanagawa, JP;
Teppei Yawada, Kanagawa, JP;
Kotaro Yoshihara, Kanagawa, JP;
Tsuyoshi Murakami, Kanagawa, JP;
Assignee:
FUJIFILM Business Innovation Corp., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G 9/087 (2006.01); G03G 9/08 (2006.01); G03G 9/097 (2006.01); G03G 15/01 (2006.01); G03G 15/08 (2006.01);
U.S. Cl.
CPC ...
G03G 9/08788 (2013.01); G03G 9/0821 (2013.01); G03G 9/09708 (2013.01); G03G 15/0126 (2013.01); G03G 15/0865 (2013.01);
Abstract
A white toner includes a toner particle that contains a binder resin containing a hybrid resin in which an amorphous resin unit and a crystalline polyester resin unit are chemically bonded to each other, surface-treated titanium oxide, and a release agent, in which a proportion of Al atoms in a surface of the surface-treated titanium oxide is 3 atomic % or greater and 20 atomic % or less, and a proportion of Ti atoms in the surface is 5 atomic % or greater and 15 atomic % or less.