US Patent Issued to Canon on May 12 for "Piezoelectric pump, liquid discharge head, and liquid discharge apparatus" (Japanese Inventors)

ALEXANDRIA, Va., May 12 -- United States Patent no. 12,623,463, issued on May 12, was assigned to Canon K.K. (Tokyo).

"Piezoelectric pump, liquid discharge head, and liquid discharge apparatus" was invented by Soji Kondo (Kanagawa, Japan), Masashi Ogawa (Kanagawa, Japan), Kimiyuki Hayasaki (Kanagawa, Japan), Naozumi Nabeshima (Tokyo) and Keiichiro Tsukuda (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A piezoelectric pump, for causing the flow of a liquid, including a piezoelectric member driven by applying a voltage, a diaphragm which is deformed by the driving of the piezoelectric member, an adhesive member which bonds the piezoelectric member and the diaphragm together, and an urging memb...