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. 16, 2019
Filed:
Apr. 09, 2018
Applicant:
Konica Minolta, Inc., Tokyo, JP;
Inventors:
Michiaki Ishikawa, Sagamihara, JP;
Hiroyuki Kozuru, Otsuki, JP;
Assignee:
KONICA MINOLTA, INC., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 13/01 (2006.01); G03G 9/097 (2006.01); G03G 9/09 (2006.01); G03G 9/10 (2006.01); G03G 15/08 (2006.01); G03G 15/00 (2006.01); G03G 9/08 (2006.01);
U.S. Cl.
CPC ...
G03G 9/0902 (2013.01); G03G 9/0827 (2013.01); G03G 9/09791 (2013.01); G03G 9/10 (2013.01); G03G 13/013 (2013.01); G03G 15/0865 (2013.01); G03G 15/6585 (2013.01);
Abstract
A white toner for electrostatic charge image development contains a toner particle that includes a toner base particle containing a binder resin, a white colorant, and a releasing agent, and an external additive, wherein the toner particle contains, as the external additive, a fatty acid metal salt particle having a volume-based median diameter in a range of 0.5 to 1.5 μm, and an average circularity of the toner particles is in a range of 0.870 to 0.950.