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:
Mar. 04, 2014
Filed:
Dec. 20, 2010
Yasutada Shitara, Shizuoka, JP;
Yohichiroh Watanabe, Shizuoka, JP;
Yasuo Katano, Kanagawa, JP;
Shinya Nakayama, Shizuoka, JP;
Ryota Inoue, Osaka, JP;
Yoshihiro Moriya, Shizuoka, JP;
Akiyoshi Sabu, Kanagawa, JP;
Shingo Sakashita, Shizuoka, JP;
Yukiko Nakajima, Shizuoka, JP;
Yasutada Shitara, Shizuoka, JP;
Yohichiroh Watanabe, Shizuoka, JP;
Yasuo Katano, Kanagawa, JP;
Shinya Nakayama, Shizuoka, JP;
Ryota Inoue, Osaka, JP;
Yoshihiro Moriya, Shizuoka, JP;
Akiyoshi Sabu, Kanagawa, JP;
Shingo Sakashita, Shizuoka, JP;
Yukiko Nakajima, Shizuoka, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
The present invention provides a toner including: a colorant, and a binder resin, wherein the toner is fixed on a recording medium using a fixing liquid containing a softening agent for softening the toner, and wherein a weight average molecular weight of a THF soluble fraction of the toner in a molecular weight distribution measured by gel permeation chromatography (GPC) is 3,000 to 8,300; and a glass transition temperature of the toner measured by differential scanning calorimetry (DSC) is 50° C. to 70° C.