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:
Dec. 31, 2024
Filed:
Jul. 27, 2021
Applicant:
Fujifilm Business Innovation Corp., Tokyo, JP;
Inventors:
Yasuo Kadokura, Minamiashigara, JP;
Yosuke Tsurumi, Minamiashigara, JP;
Takuro Watanabe, Minamiashigara, JP;
Kazutsuna Sasaki, Minamiashigara, JP;
Karin Sakai, Minamiashigara, JP;
Assignee:
FUJIFILM Business Innovation Corp., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G 9/113 (2006.01); G03G 9/08 (2006.01); G03G 9/107 (2006.01);
U.S. Cl.
CPC ...
G03G 9/1139 (2013.01); G03G 9/0819 (2013.01); G03G 9/1085 (2020.08); G03G 9/1134 (2013.01);
Abstract
An electrostatic charge image developing carrier, contains: a magnetic particle; and a coating resin layer coating the magnetic particle and containing inorganic particles, in which an area ratio of the inorganic particles that is a ratio of a total area of the inorganic particles to an area of the coating resin layer in a cut surface of the coating resin layer along a thickness direction of the coating resin layer is 10% or more and 50% or less.