ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,553,444, issued on Feb. 17, was assigned to Edwards Japan Ltd. (Yachiyo, Japan).
"Vacuum pump" was invented by Takashi Kabasawa (Yachiyo, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A vacuum pump which can decompose depositions by radicals and effectively exhaust them is provided. The vacuum pump including a casing, a stator disposed on an inner side of the casing, and a shaft rotatably supported with respect to the stator and also including a cylindrical rotor rotatably enclosed together with the shaft in the casing, in which an electrode portion, which is a part of a radical generating device that generates radicals, is disposed in the casing...