US Patent Issued to Canon on Aug. 25 for "Diaphragm pump, liquid discharge head, and liquid discharge apparatus" (Japanese Inventors)

ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,716,409, issued on Aug. 25, was assigned to Canon K.K. (Tokyo).

"Diaphragm pump, liquid discharge head, and liquid discharge apparatus" was invented by Satoshi Kudo (Tokyo), Satoshi Shimazu (Kanagawa, Japan), Toshiaki Kaneko (Tokyo) and Kazuyuki Yoshida (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A diaphragm pump includes a piezoelectric member, a diaphragm having surfaces, and a supporting member. The piezoelectric member deforms when a voltage is applied. The diaphragm deforms in response to deformation of the piezoelectric member. The supporting member supports the diaphragm. A space is formed between the diaphragm and the support...