ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,529,993, issued on Jan. 20, was assigned to E-Z INK TECHNOLOGY Co. LTD. (Zhuhai, China) and ZHUHAI YANQI TECHNOLOGY Co. LTD. (Zhuhai, China).
"Developing cartridge" was invented by Yu Zhu (Zhangjiajie, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a developing cartridge configured to be removably mounted in a main assembly of an imaging apparatus. In some embodiments disclosed, the developing cartridge includes: a cartridge body; a drive force receiving unit including a coupling member, disposed at a first end of the developing cartridge, configured to receive a drive force from the imaging apparatus; a driving member, disposed at th...