ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,449,040, issued on Oct. 21, was assigned to EAGLE INDUSTRY Co. LTD. (Tokyo).

"Sliding component" was invented by Tadatsugu Imura (Tokyo), Ayano Tanishima (Tokyo), Iwa Ou (Tokyo), Shogo Fukuda (Tokyo) and Kenta Uchida (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "An annular sliding component disposed at a relatively rotating position of a rotating machine and sliding relative to the other sliding component has a sliding surface provided with a dynamic pressure generation groove which includes a communication portion communicating with an external space and a dead-end portion on a relative rotation downstream of the communication portion. The slid...