ALEXANDRIA, Va., June 17 -- United States Patent no. 12,312,483, issued on May 27, was assigned to SEIKO EPSON Corp. (Japan).
"Ink jet composition" was invented by Tomoki Maruyama (Matsumoto, Japan) and Yuji Tabata (Shiojiri, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An ink jet composition according to an embodiment of the present disclosure is an ink jet composition which is ejected from an ink jet head, the ink jet head has a nozzle plate in which nozzles are formed and a flow path substrate which is bonded to one surface of the nozzle plate and in which flow paths including a liquid storage chamber to store a liquid to be supplied to the nozzles are formed, the liquid storage chamber is formed ...