ALEXANDRIA, Va., Sept. 3 -- United States Patent no. 12,403,694, issued on Sept. 2, was assigned to CANON K.K. (Tokyo).
"Liquid discharge cartridge" was invented by Shuichi Hasegawa (Kanagawa, Japan), Yukuo Yamaguchi (Tokyo), Keisuke Iinuma (Kanagawa, Japan) and Junichiro Iri (Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A liquid discharge cartridge manufacturing method includes a first step of individually shaping a first shaped member and a second shaped member that form a housing of a liquid discharge cartridge, and a second step of joining the first shaped member and the second shaped member to be bonded to each other with molten resin. The first step includes shaping a wall section in ...