US Patent Issued to Canon on Sept. 30 for "Diaphragm pump and liquid discharge apparatus including diaphragm pump" (Japanese Inventor)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,429,041, issued on Sept. 30, was assigned to Canon K.K. (Tokyo).

"Diaphragm pump and liquid discharge apparatus including diaphragm pump" was invented by Kazuyuki Yoshida (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A diaphragm pump includes an actuator, a diaphragm, and first and second pump chambers and deforms to change a volume of the first pump chamber and a volume of the second pump chamber so that fluid flows. The diaphragm is bonded to a first surface and a second surface of the actuator. When the diaphragm is displaced convexly in a direction to the first pump chamber, the second pump chamber is configured to expand the firs...