ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,377,650, issued on Aug. 5, was assigned to Seiko Epson Corp. (Tokyo).
"Liquid ejecting apparatus" was invented by Yu Shiozawa (Shiojiri, Japan), Masaki Mori (Shiojiri, Japan), Motoki Takabe (Shiojiri, Japan), Hitoshi Takaai (Azumino, Japan) and Eiju Hirai (Azumino, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "The controller drives the piezoelectric body such that, when the cumulative number of times of the driving is a second number of times greater than the first number of times, the voltage difference is a second value smaller than the first value."
The patent was filed on Dec. 8, 2022, under Application No. 18/063,275.
*For further informati...