ALEXANDRIA, Va., March 24 -- United States Patent no. 12,583,229, issued on March 24, was assigned to Canon K.K. (Tokyo).
"Liquid supply system, cartridge, and liquid ejection apparatus" was invented by Yasunori Takei (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A liquid supply system including a liquid reservoir tank communicating with a liquid ejection head to eject a liquid and a cartridge to reserve the liquid to be supplied to the reservoir tank and to be mounted on the tank. The tank includes a first air communication portion for air-communication of an inside and an outside of the tank, a first connection portion to connect the cartridge and the tank into liquid communication when the cartrid...