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:
Sep. 15, 2015
Filed:
Oct. 17, 2012
Shingo Sakashita, Shizuoka, JP;
Shinya Nakayama, Shizuoka, JP;
Masahide Yamada, Shizuoka, JP;
Atsushi Yamamoto, Shizuoka, JP;
Hideyuki Santo, Shizuoka, JP;
Yukiko Nakajima, Kanagawa, JP;
Suzuka Amemori, Shizuoka, JP;
Shingo Sakashita, Shizuoka, JP;
Shinya Nakayama, Shizuoka, JP;
Masahide Yamada, Shizuoka, JP;
Atsushi Yamamoto, Shizuoka, JP;
Hideyuki Santo, Shizuoka, JP;
Yukiko Nakajima, Kanagawa, JP;
Suzuka Amemori, Shizuoka, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A toner including at least a crystalline resin as a binder resin, wherein a tetrahydrofuran soluble content of the toner includes 5.0% or more as a peak area of a component having a molecular weight of 100,000 or greater in a molecular weight distribution measured by gel permeation chromatography, and the tetrahydrofuran soluble content of the toner has a weight-average molecular weight of 20,000 to 60,000.