ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,461,468, issued on Nov. 4, was assigned to Canon K.K. (Tokyo).
"Toner cartridge having feeding member and pump for discharging toner" was invented by Naoya Asanuma (Shizuoka, Japan), Takatoshi Hamada (Shizuoka, Japan), Masato Tanabe (Shizuoka, Japan), Tomofumi Kawamura (Shizuoka, Japan) and Yusuke Atsu (Shizuoka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A toner cartridge includes a toner accommodation chamber containing toner, a toner discharging chamber having a discharge opening for discharging the toner, and a passage for fluid communication between the toner accommodation chamber and the toner discharging chamber. The toner cartridge also...