ALEXANDRIA, Va., June 16 -- United States Patent no. 12,306,233, issued on May 20, was assigned to SEIKOH GIKEN Co. Ltd. (Matsudo, Japan).

"Light sensor probe" was invented by Ryuji Osawa (Matsudo, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A light sensor probe includes an optical sensor unit configured to modulate an incident light depending on an intensity of an electric field of a place on which the optical sensor unit is located and output the modulated light. The optical sensor unit includes an optical modulator having a modulation electrode integrally formed with antennas. The optical modulator is a branch interference type optical modulator and a reflection type optical modulator. An input o...