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.

Date of Patent:
Aug. 10, 2010

Filed:

Aug. 23, 2004
Applicants:

Hiroshi Yamazaki, Hachioji, JP;

Hiroyuki Yamada, Tsukui-machi, JP;

Tomoe Kitani, Hino, JP;

Inventors:

Hiroshi Yamazaki, Hachioji, JP;

Hiroyuki Yamada, Tsukui-machi, JP;

Tomoe Kitani, Hino, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G 13/08 (2006.01);
U.S. Cl.
CPC ...
Abstract

An image forming method is disclosed, comprising (a) forming a toner image on an image forming body, (b) transporting the image forming body to a transfer region, (c) overlapping an image supporting body onto the image forming body, (d) radiating ultrasonic waves onto the image forming body and the image supporting body by an ultrasonic radiation means with applying an electric field between the image forming body and the image supporting body to transfer the toner image onto the image supporting body and (e) subjecting the toner image on the image supporting body to contact heat-fixing to fix the toner image, wherein a toner is comprised of toner particles containing a resin, a colorant and a releasing agent, and the toner particles exhibiting a coefficient of variation of shape factor of not more than 16% and a coefficient of variation of number particle size distribution of not more than 27%.


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