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.:

US 7263320 B1

PDF
Full Text
Expired
Date of Patent:
Aug. 28, 2007

Filed:

Dec. 15, 2005
Applicants:

Junya Hirayama, Itami, JP;

Shigeo Uetake, Takatsuki, JP;

Masahiko Matsuura, Suita, JP;

Takeshi Maeyama, Kawanishi, JP;

Inventors:

Junya Hirayama, Itami, JP;

Shigeo Uetake, Takatsuki, JP;

Masahiko Matsuura, Suita, JP;

Takeshi Maeyama, Kawanishi, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G 15/09 (2006.01);
U.S. Cl.
CPC ...
Abstract

An image forming apparatus for forming an image by developing a latent image formed on an image carrier, using a developer including a toner and a carrier. The image forming apparatus comprises: a developer conveying member that conveys the developer; a first collecting unit that collects, by generating a first electric field, the toner from the developer at a first position that is set halfway through a route of conveyance of the developer by the developer conveying member; and a second collecting unit that collects, by generating a second electric field, residual toner from the developer at a second position that is downstream of the first position in the route of conveyance of the developer.


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Hirayama, Junya. (2007). Image forming apparatus, developing apparatus, and finely-divided toner particle collecting apparatus (U.S. Patent No. 7263320). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7263320

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