ALEXANDRIA, Va., April 15 -- United States Patent no. 12,601,990, issued on April 14, was assigned to JIANGXI YIBO E-TECH Co. LTD. (Xinyu, China).
"Developing cartridge" was invented by Jian Peng (Xinyu, China), Liangliang Hu (Xinyu, China) and Rongli Xu (Xinyu, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A developing cartridge includes: a developing roller rotatable about a rotational axis extending in a first direction; a casing configured to accommodate developer therein; an input gear rotatable about a first axis extending in the first direction, the input gear being positioned at one side of the casing in the first direction; an electrode with an electrical contact surface. The developing rolle...