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:
May. 29, 2018
Filed:
Feb. 07, 2017
Fuji Xerox Co., Ltd., Tokyo, JP;
Takafumi Koide, Kanagawa, JP;
Naoki Ota, Kanagawa, JP;
Masataka Kuribayashi, Kanagawa, JP;
Yusuke Fukuda, Kanagawa, JP;
Yasuhisa Morooka, Kanagawa, JP;
Katsuyuki Kitajima, Kanagawa, JP;
FUJI XEROX CO., LTD., Tokyo, JP;
Abstract
An image forming apparatus includes a guide unit that guides at least one of an image holding member and an intermediate transfer member to a primary transfer position provided by a primary transfer unit such that a portion of the surface of the image holding member and a portion of the surface of the intermediate transfer member are disposed along with each other, wherein a toner contains a toner particle which contains a binder resin containing a crystalline polyester resin, a coloring agent and a releasing agent, and an external additive, and satisfies Expression: 2≤tan δ≤2.5, wherein tan δrepresents a maximum value of a mechanical loss tangent existing in a range where a complex elastic modulus is from 1×10Pa to 1×10Pa, which is measured at an angular frequency of 6.28 rad/sec and a strain amount of 0.3%.