ALEXANDRIA, Va., July 9 -- United States Patent no. 12,350,931, issued on July 8, was assigned to BROTHER KOGYO K.K. (Nagoya, Japan).
"Liquid droplet ejecting apparatus" was invented by Haruhisa Takayama (Nagoya, Japan), Atsushi Ito (Nagoya, Japan) and Yuya Kato (Nagoya, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A liquid droplet ejecting apparatus includes: an ejecting head made of metal and having an ejection surface; an electrode which moves relative to the ejection surface; a voltage source generating a potential difference between the ejecting head and the electrode; an electric current detector detecting an electric current between the ejecting head and the electrode; and a controller. The co...