ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,441,120, issued on Oct. 14, was assigned to ZHUHAI NINESTAR MANAGEMENT Co. LTD. (Zhuhai, China).
"Ink cartridge" was invented by Yijing Zhu (Zhuhai, China), Jingzhang Xia (Zhuhai, China), Shichao Liang (Zhuhai, China), Haoming Ma (Zhuhai, China), Zhizheng Jia (Zhuhai, China) and Jiabiao Huang (Zhuhai, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "An ink cartridge including a cartridge body, a recess part, a positioning part and a chip disposed in the recess part, where the cartridge body includes an ink accommodating chamber for storing ink, the recess part is disposed on an upper side of the cartridge body and includes a side wall, at least a po...