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:
Jun. 02, 2020
Filed:
Jul. 10, 2018
Koh Ohnuma, Shizuoka, JP;
Tsuyoshi Sugimoto, Kanagawa, JP;
Shinya Nakayama, Shizuoka, JP;
Hideyuki Santo, Kanagawa, JP;
Shin Hasegawa, Tokyo, JP;
Suzuka Karato, Shizuoka, JP;
Kohsuke Nagata, Shizuoka, JP;
Koh Ohnuma, Shizuoka, JP;
Tsuyoshi Sugimoto, Kanagawa, JP;
Shinya Nakayama, Shizuoka, JP;
Hideyuki Santo, Kanagawa, JP;
Shin Hasegawa, Tokyo, JP;
Suzuka Karato, Shizuoka, JP;
Kohsuke Nagata, Shizuoka, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
Provided is a toner including a crystalline polyester resin including a constitutional unit derived from saturated aliphatic dicarboxylic acid and a constitutional unit derived from saturated aliphatic diol, an amorphous hybrid resin, an amorphous polyester resin, a release agent, and a colorant, wherein the crystalline polyester resin includes a constitutional unit derived from sebacic acid as the constitutional unit derived from the saturated aliphatic dicarboxylic acid, and the amorphous hybrid resin is a composite resin including a polyester-based resin unit and a styrene-based resin unit.