ALEXANDRIA, Va., April 7 -- United States Patent no. 12,598,949, issued on April 7, was assigned to NHK SPRING Co. LTD. (Yokohama, Japan).

"Stage and method of manufacturing stage" was invented by Toshihiko Hanamachi (Yokohama, Japan), Shuhei Morota (Yokohama, Japan), Masaru Takimoto (Yokohama, Japan), Yoshihito Araki (Yokohama, Japan), Hibiki Yokoyama (Yokohama, Japan) and Masahiro Fujii (Yokohama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A stage includes a base material having a first surface and a second surface adjacent to the first surface, and an insulating film including a plurality of particles, each of the plurality of particles having a flat surface. The flat surface included in the ins...