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:
May. 12, 2026
Filed:
Apr. 21, 2022
Applicant:
Konica Minolta, Inc., Tokyo, JP;
Inventors:
Yuya Kubo, Hino, JP;
Takanari Kayamori, Kawasaki, JP;
Naoya Tonegawa, Sagamihara, JP;
Noboru Ueda, Mitaka, JP;
Assignee:
KONICA MINOLTA, INC., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G 9/083 (2006.01); G03G 9/087 (2006.01);
U.S. Cl.
CPC ...
G03G 9/0834 (2013.01); G03G 9/0837 (2013.01); G03G 9/0838 (2013.01); G03G 9/08755 (2013.01);
Abstract
Disclosed is an electrostatic charge image developing toner including: toner base particles containing at least a binder resin and a magnetic material; and an external additive, wherein the binder resin contains a crystalline resin; and the external additive contains strontium titanate particles doped with metal elements other than titanium and strontium.