ALEXANDRIA, Va., March 12 -- United States Patent no. 12,246,534, issued on March 11, was assigned to BROTHER KOGYO K.K. (Nagoya, Japan).
"Liquid droplet ejecting device" 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 ejecting device includes a channel member and an actuator. The channel member has a channel. The channel includes a nozzle and a pressure chamber communicating with the nozzle. The actuator is on the channel member and configured to apply a pressure to a liquid in the pressure chamber. A diameter of the nozzle and a natural frequency of the channel are parameters o...