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:
Oct. 26, 2010
Filed:
Dec. 27, 2006
Masao Suzuki, Yamatokoriyama, JP;
Yoshiaki Akazawa, Nara, JP;
Hiroshi Onda, Yamatokoriyama, JP;
Satoshi Ogawa, Nara, JP;
Yoshinori Yamamoto, Yamatokoriyama, JP;
Masao Suzuki, Yamatokoriyama, JP;
Yoshiaki Akazawa, Nara, JP;
Hiroshi Onda, Yamatokoriyama, JP;
Satoshi Ogawa, Nara, JP;
Yoshinori Yamamoto, Yamatokoriyama, JP;
Sharp Kabushiki Kaisha, Osaka, JP;
Abstract
An image forming apparatus for forming images with a toner and includes an image forming section, a paper feeding section and an image reading section, in which the non-magnetic toner is as follows: the particle size Dand the particle size Dof the toner satisfy the following formula (1), the particle size Dis from 5 to 8 μm, and the content of the toner particles having a particle size of at most 5 μm is from 15 to 35% by number:0.415≦()/≦0.475  (1)wherein D, Dand Deach are a particle size where a cumulative volume from the large particle size side in the cumulative volume distribution of the toner particles reaches 10%, 50% and 90%, respectively.