ALEXANDRIA, Va., June 16 -- United States Patent no. 12,309,807, issued on May 20, was assigned to Sun Patent Trust (New York).

"Communication apparatus and communication method for receiving control information over a search space" was invented by Yoshiko Saito (Kanagawa, Japan), Ayako Horiuchi (Kanagawa, Japan), Seigo Nakao (Kanagawa, Japan), Akihiko Nishio (Osaka, Japan), Daichi Imamura (Saitama, Japan), Alexander Golitschek Edler Von Elbwart (Hessen, Germany) and Sujuan Feng (Frankfurt, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A communication apparatus has a receiver and a decoder. The receiver receives a control signal including first downlink control information and second downlink contro...