ALEXANDRIA, Va., March 3 -- United States Patent no. 12,566,135, issued on March 3, was assigned to OIP Technology Pte Ltd (Singapore).

"Transmissive optical sensor and method of fabricating same" was invented by Yonggang Jin (Singapore).

According to the abstract* released by the U.S. Patent & Trademark Office: "A transmissive optical sensor and method of fabricating it are disclosed. The transmissive optical sensor includes a transmitter, a signal exciter and a receiver, which are sequentially stacked together. The transmitter includes first plastic encapsulation, and the receiver includes second plastic encapsulation. The first plastic encapsulation defines a light exit region, the second plastic encapsulation has a photosensitive elem...