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:
Jun. 28, 2016
Filed:
Jan. 26, 2015
Kyocera Document Solutions Inc., Osaka, JP;
Takatoshi Nozaki, Osaka, JP;
Noriaki Sakamoto, Osaka, JP;
KYOCERA Document Solutions Inc., Osaka, JP;
Abstract
A toner contains a plurality of toner particles. Each of the toner particles includes a toner core containing a binder resin, a shell layer disposed over a surface of the toner core, internal particles located within the shell layer, and an external additive located on a surface of the shell layer. Each of the toner particles has 4 to 169 projections resulting from the internal particles and having a height of no less than 40 nm and no greater than 200 nm when a 1-μmregion of the surface of the toner particle is observed, and the projections satisfy the following equation (1){(1000/2)−0.5}≦{(1000/2)+0.5}  (1)