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:
Nov. 13, 2012
Filed:
Sep. 14, 2007
Atsushi Yamamoto, Kawanishi, JP;
Chiyoshi Nozaki, Ohtsu, JP;
Tsuyoshi Nozaki, Ikeda, JP;
Mitsuyo Matsumoto, Ibaragi, JP;
Takuya Kadota, Kobe, JP;
Hiroyuki Murakami, Toyonaka, JP;
Katsunori Kurose, Takarazuka, JP;
Yoshimichi Ishikawa, Itami, JP;
Atsushi Yamamoto, Kawanishi, JP;
Chiyoshi Nozaki, Ohtsu, JP;
Tsuyoshi Nozaki, Ikeda, JP;
Mitsuyo Matsumoto, Ibaragi, JP;
Takuya Kadota, Kobe, JP;
Hiroyuki Murakami, Toyonaka, JP;
Katsunori Kurose, Takarazuka, JP;
Yoshimichi Ishikawa, Itami, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A toner including toner particles comprising a binder resin, a coloring agent and a wax. The toner particles are prepared by agglomerating and/or fusing at least two kinds of resin particulates and particles of the coloring agent dispersed in an aqueous medium. A first resin particulate among the at least two kinds of resin particulates contains a resin having a polyester skeleton and the wax. At least 50% by weight of the binder resin is polyester resins.