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. 15, 2018
Filed:
Feb. 02, 2017
Satoshi Takahashi, Kanagawa, JP;
Yoshihiro Moriya, Shizuoka, JP;
Ryota Inoue, Shizuoka, JP;
Masahiko Ishikawa, Shizuoka, JP;
Tatsuki Yamaguchi, Shizuoka, JP;
Satoshi Kojima, Shizuoka, JP;
Satoshi Takahashi, Kanagawa, JP;
Yoshihiro Moriya, Shizuoka, JP;
Ryota Inoue, Shizuoka, JP;
Masahiko Ishikawa, Shizuoka, JP;
Tatsuki Yamaguchi, Shizuoka, JP;
Satoshi Kojima, Shizuoka, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
An electrostatic-image developing toner including at least a binder resin; a colorant; and a release agent, wherein an average circularity of particles having a particle diameter in a range of 0.79 times or more but less than 1.15 times as large as a most frequent diameter in a number particle size distribution of the toner is within a range of 1.010 times or more but less than 1.020 times as high as an average circularity of particles having a particle diameter of 1.15 times or more as large as the most frequent diameter.