US Patent Issued to Asahi Kasei Microdevices on May 5 for "Optical physical quantity measuring apparatus" (Japanese Inventors)

ALEXANDRIA, Va., May 5 -- United States Patent no. 12,618,772, issued on May 5, was assigned to Asahi Kasei Microdevices Corp. (Tokyo).

"Optical physical quantity measuring apparatus" was invented by Daiki Yasuda (Tokyo) and Shota Isshiki (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical physical quantity measuring apparatus (1) includes a light-emitting element (L), light-receiving elements (S) including at least a first light-receiving element and a second light-receiving element, and a reflector. The light-emitting element has a different radiation spectrum depending on a radiation direction and emits light at least at a first radiation angle, a second radiation angle, and a third radiation...