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:
Apr. 30, 2013
Filed:
Oct. 01, 2008
Masanobu Ninomiya, Kanagawa, JP;
Kiyohiro Yamanaka, Kanagawa, JP;
Hirokazu Hamano, Kanagawa, JP;
Eisuke Iwazaki, Kanagawa, JP;
Hiroshi Nakazawa, Kanagawa, JP;
Masanobu Ninomiya, Kanagawa, JP;
Kiyohiro Yamanaka, Kanagawa, JP;
Hirokazu Hamano, Kanagawa, JP;
Eisuke Iwazaki, Kanagawa, JP;
Hiroshi Nakazawa, Kanagawa, JP;
Fuji Xerox Co., Ltd., Tokyo, JP;
Abstract
There is provided a toner for developing an electrostatic charge image including a binder resin, a colorant and a releasing agent, wherein the content ratio of particles having a number particle diameter of 4.5 μm or more and less than 7.5 μm and a circularity degree of 0.980 or more is in a range from about 5 number % to about 15 number %, and the content ratio of particles having a number particle diameter of not 7.5 μm or more and less than 15 μm and a circularity degree of 0.900 or more and less than 0.940 is about 5 number % or less.