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:
Nov. 03, 2026

Filed:

Apr. 02, 2025
Applicant:

Kyocera Document Solutions Inc., Osaka, JP;

Inventors:

Tomohiro Tamaki, Osaka, JP;

Katen Ko, Osaka, JP;

Takeru Nagamoto, Osaka, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/08 (2006.01);
U.S. Cl.
CPC ...
G03G 15/0891 (2013.01); G03G 15/0808 (2013.01); G03G 15/0812 (2013.01); G03G 15/0889 (2013.01); G03G 2215/0827 (2013.01);
Abstract

A development device includes a development container having a first conveyance chamber and a second conveyance chamber above it, first and second stirring conveyance members that stir developer in the first and second conveyance chambers and convey it in the opposite directions, a developer carrying member that carries on its surface the developer in the second conveyance chamber, and a regulation blade. Feeding of the developer to the developer carrying member and collection of the developer from the developer carrying member are performed in the second conveyance chamber. A horizontal straight line Lthrough the center of the rotation shaft of the second stirring conveyance member is above a horizontal straight line Lthrough the center of the rotation shaft of the developer carrying member and the straight line Lis above a horizontal straight line Lthrough the center of the rotation shaft of the first stirring conveyance member.


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Tamaki, Tomohiro. (2026). Development device and image forming apparatus provided therewith (U.S. Patent No. 12782847). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12782847

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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