ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,782,847, issued on Nov. 3, was assigned to KYOCERA Document Solutions Inc. (Osaka, Japan).

"Development device and image forming apparatus provided therewith" was invented by Tomohiro Tamaki (Osaka, Japan), Katen Ko (Osaka, Japan) and Takeru Nagamoto (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "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...