ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,459,260, issued on Nov. 4, was assigned to BROTHER KOGYO K.K. (Nagoya, Japan).
"Liquid droplet discharging head" was invented by Takaaki Yoshino (Nagoya, Japan), Toru Kakiuchi (Chita, Japan) and Taisuke Mizuno (Yokkaichi, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A liquid droplet discharging head includes: a channel member having a channel including a nozzle and a pressure chamber communicating with the nozzle; and a piezoelectric element fixed to the channel member and configured to apply pressure to liquid inside the pressure chamber to discharge liquid droplets of the liquid from the nozzle. A natural frequency Fr of the channel is not less...