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. 06, 2021
Filed:
Sep. 26, 2019
Applicants:
Yohichi Kitagawa, Shizuoka, JP;
Keiji Makabe, Shizuoka, JP;
Yuka Mizoguchi, Shizuoka, JP;
Tsuneyasu Nagatomo, Shizuoka, JP;
Shinya Nakayama, Shizuoka, JP;
Inventors:
Yohichi Kitagawa, Shizuoka, JP;
Keiji Makabe, Shizuoka, JP;
Yuka Mizoguchi, Shizuoka, JP;
Tsuneyasu Nagatomo, Shizuoka, JP;
Shinya Nakayama, Shizuoka, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03G 9/087 (2006.01); G03G 9/08 (2006.01); G03G 21/18 (2006.01); G03G 15/08 (2006.01);
U.S. Cl.
CPC ...
G03G 9/08755 (2013.01); G03G 9/0819 (2013.01); G03G 9/0827 (2013.01); G03G 15/08 (2013.01); G03G 21/1814 (2013.01);
Abstract
A toner including toner base particles each including a binder resin and a colorant, and external additive, wherein the toner satisfies conditions (a), (b), and (c) below: