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:
Feb. 07, 2012
Filed:
Sep. 18, 2007
Yoshimichi Ishikawa, Itami, JP;
Chiyoshi Nozaki, Otsu, JP;
Tsuyoshi Nozaki, Ikeda, JP;
Takuya Kadota, Kobe, JP;
Katsunori Kurose, Takarazuka, JP;
Mitsuyo Matsumoto, Ibaraki, JP;
Atsushi Yamamoto, Kawanishi, JP;
Masahide Inoue, Numazu, JP;
Yoshimichi Ishikawa, Itami, JP;
Chiyoshi Nozaki, Otsu, JP;
Tsuyoshi Nozaki, Ikeda, JP;
Takuya Kadota, Kobe, JP;
Katsunori Kurose, Takarazuka, JP;
Mitsuyo Matsumoto, Ibaraki, JP;
Atsushi Yamamoto, Kawanishi, JP;
Masahide Inoue, Numazu, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
To provide a toner that contains at least a binder resin, a colorant, a releasing agent and zeolite, the toner being manufactured through O/W type wet granulation and having an average circularity of 0.970 or greater, and a developer and image forming method using the toner.