US Patent Issued to SONY GROUP on April 14 for "Semiconductor laser and semiconductor laser device" (Japanese Inventors)

ALEXANDRIA, Va., April 15 -- United States Patent no. 12,603,478, issued on April 14, was assigned to SONY GROUP Corp. (Tokyo).

"Semiconductor laser and semiconductor laser device" was invented by Hideki Watanabe (Kumamoto, Japan), Yuichiro Kikuchi (Kumamoto, Japan), Shinichi Agatuma (Kumamoto, Japan), Makoto Oota (Kumamoto, Japan), Takashi Mizuno (Kumamoto, Japan), Hiroyuki Miyahara (Kumamoto, Japan) and Eiji Nakayama (Kumamoto, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A semiconductor laser according to one embodiment of the present disclosure includes: a first semiconductor layer of a first conductivity type; an active layer; and a second semiconductor layer of a second conductivity type stacke...