ALEXANDRIA, Va., July 21 -- United States Patent no. 12,689,174, issued on July 21, was assigned to SONY GROUP Corp. (Tokyo).

"Surface emitting laser and surface emitting laser array" was invented by Rintaro Koda (Tokyo), Yasutaka Higa (Tokyo), Go Hirano (Tokyo), Shuhei Yamaguchi (Tokyo), Tatsuya Matou (Tokyo) and Hideki Watanabe (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A surface emitting laser according to one embodiment of the present disclosure includes: a substrate having a convex part provided on a surface thereof; and a vertical resonator structure formed on the substrate, and including an active layer, a first semiconductor layer, and a current blocking layer. The first semiconductor laye...