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:
Jul. 20, 2021
Filed:
Jul. 08, 2020
Applicant:
Fujifilm Business Innovation Corp., Tokyo, JP;
Inventors:
Takashi Inukai, Kanagawa, JP;
Yasuaki Hashimoto, Kanagawa, JP;
Daisuke Noguchi, Kanagawa, JP;
Takuro Watanabe, Kanagawa, JP;
Sakiko Takeuchi, Kanagawa, JP;
Assignee:
FUJIFILM Business Innovation Corp., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 9/08 (2006.01); G03G 9/087 (2006.01); G03G 9/097 (2006.01); G03G 21/18 (2006.01); G03G 15/08 (2006.01); G03G 9/113 (2006.01);
U.S. Cl.
CPC ...
G03G 9/0827 (2013.01); G03G 9/0819 (2013.01); G03G 9/0821 (2013.01); G03G 9/08755 (2013.01); G03G 9/09708 (2013.01); G03G 9/09725 (2013.01); G03G 9/09758 (2013.01); G03G 9/1138 (2013.01); G03G 9/1139 (2013.01); G03G 15/0865 (2013.01); G03G 21/1803 (2013.01);
Abstract
An electrostatic image developing toner includes toner particles, layered compound particles, and inorganic particles. The proportion of irregular-shaped inorganic particles having a circularity of 0.5 or more and 0.9 or less and a size of 0.015 μm or more and 0.350 μm or less to the entire inorganic particles is 2% by number or more and 70% by number or less.