ALEXANDRIA, Va., June 19 -- United States Patent no. 12,330,421, issued on June 17, was assigned to BROTHER KOGYO K.K. (Nagoya, Japan).

"Liquid droplet ejecting apparatus" was invented by Yuya Kato (Nagoya, Japan), Haruhisa Takayama (Nagoya, Japan) and Atsushi Ito (Nagoya, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A liquid droplet ejecting apparatus, includes: an ejecting head which ejects liquid droplets; a light source which causes light to be radiated toward a flight space of the liquid droplets with a first output power or a second output power; a detecting element which detects received amount of the light radiated from the light source and passed through the liquid droplets flying in the fli...