ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,384,149, issued on Aug. 12, was assigned to Canon K.K. (Tokyo).
"Flow path member and liquid discharge head" was invented by Manabu Otsuka (Kanagawa, Japan) and Ryotaro Murakami (Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A flow path member includes a first substrate, a second substrate, bonding adhesive, and recessed portions. The first substrate has a first surface formed with an opening of a flow path. The second substrate has a second surface facing the first surface. The bonding adhesive bonds the first and second surfaces together. The recessed portions are formed in at least one of the first surface of the first substrate and ...