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:
Jan. 07, 2025

Filed:

Feb. 06, 2022
Applicant:

Fujifilm Business Innovation Corp., Tokyo, JP;

Inventors:

Teppei Yawada, Kanagawa, JP;

Asafumi Fujita, Kanagawa, JP;

Kotaro Yoshihara, Kanagawa, JP;

Tsuyoshi Murakami, Kanagawa, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 9/08 (2006.01); G03G 9/097 (2006.01); G03G 15/08 (2006.01);
U.S. Cl.
CPC ...
G03G 9/0825 (2013.01); G03G 9/0819 (2013.01); G03G 9/09708 (2013.01); G03G 9/09733 (2013.01); G03G 15/0865 (2013.01);
Abstract

A white toner includes a toner particle that contains a binder resin, a release agent, and titanium oxide, at least a part of the titanium oxide being present in a release agent domain, in which in observation of a cross section of the toner particle, an average major axis length Dt of the toner particle, an average major axis length Dw of the release agent domain, and an average major axis length Dp of the titanium oxide in the release agent domain satisfy Expressions (1) and (2).2×≤10×  Expression (1):0.1×≤0.5×  Expression (2).


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