ALEXANDRIA, Va., June 9 -- United States Patent no. 12,289,257, issued on April 29, was assigned to Sharp K.K. (Sakai, Japan).

"Terminal apparatus, base station apparatus, and communication method" was invented by Liqing Liu (Sakai, Japan), Shohei Yamada (Sakai, Japan) and Hiroki Takahashi (Sakai, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method by a user equipment (UE) is described. The method includes receiving, from a base station, a first radio resource control (RRC) parameter related to a first search space set, to receive a second RRC parameter related to a CORESET wherein the CORESET is associated with the first search space set, monitoring a set of PDCCH candidates for the first search s...