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:
Aug. 05, 2014
Filed:
Nov. 26, 2012
Tsuyoshi Sugimoto, Shizuoka, JP;
Hiroshi Yamashita, Shizuoka, JP;
Daisuke Asahina, Shizuoka, JP;
Rintaro Takahashi, Miyagi, JP;
Masahide Yamada, Shizuoka, JP;
Shinya Nakayama, Shizuoka, JP;
Atsushi Yamamoto, Shizuoka, JP;
Shingo Sakashita, Shizuoka, JP;
Tsuyoshi Sugimoto, Shizuoka, JP;
Hiroshi Yamashita, Shizuoka, JP;
Daisuke Asahina, Shizuoka, JP;
Rintaro Takahashi, Miyagi, JP;
Masahide Yamada, Shizuoka, JP;
Shinya Nakayama, Shizuoka, JP;
Atsushi Yamamoto, Shizuoka, JP;
Shingo Sakashita, Shizuoka, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
To provide a toner, including at least: a non-crystalline polyester resin; and a crystalline polyester resin, wherein the toner has a glass transition temperature in a first heating Tg1st and a glass transition temperature in a second heating Tg2nd, and a difference between Tg1st and Tg2nd (Tg1st-Tg2nd) is 10° C. or greater, and wherein the crystalline polyester resin is a modified crystalline polyester resin having a urethane skeleton or a urea skeleton, or both thereof.