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:
Jan. 28, 2020
Filed:
Feb. 26, 2018
Yuka Mizoguchi, Shizuoka, JP;
Hiroshi Yamashita, Shizuoka, JP;
Ryota Inoue, Shizuoka, JP;
Taichi Nemoto, Shizuoka, JP;
Shizuka Hashida, Saitama, JP;
Yuka Mizoguchi, Shizuoka, JP;
Hiroshi Yamashita, Shizuoka, JP;
Ryota Inoue, Shizuoka, JP;
Taichi Nemoto, Shizuoka, JP;
Shizuka Hashida, Saitama, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
Provided is a toner including at least: a non-crystalline polyester resin; and a crystalline polyester resin, wherein when a cross-section of the toner is observed, the crystalline polyester resin has a maximum length of 100 nm or greater but less than 500 nm, and a ratio Dv/Dn of a volume average diameter Dv of the crystalline polyester resin to a number average diameter Dn of the crystalline polyester resin is less than 1.20.