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:
Jan. 13, 2015

Filed:

Nov. 10, 2010
Applicants:

Shigeo Uetake, Takatsuki, JP;

Toshiya Natsuhara, Takarazuka, JP;

Junya Hirayama, Takarazuka, JP;

Takeshi Maeyama, Ikeda, JP;

Nofumi Mizumoto, Nara, JP;

Makiko Watanabe, Uji, JP;

Inventors:

Shigeo Uetake, Takatsuki, JP;

Toshiya Natsuhara, Takarazuka, JP;

Junya Hirayama, Takarazuka, JP;

Takeshi Maeyama, Ikeda, JP;

Nofumi Mizumoto, Nara, JP;

Makiko Watanabe, Uji, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G 15/08 (2006.01);
U.S. Cl.
CPC ...
G03G 15/0827 (2013.01);
Abstract

A development apparatus and an image forming apparatus wherein optical high-precision detection of the toner amount of a toner layer formed on a toner carrying member is ensured even when the great amount of the toner is deposited on the toner carrying member by transferring all or a part of the toner on the surface of the toner carrying member onto a detecting roller, and wherein stable images are provided at all times.


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