ALEXANDRIA, Va., March 3 -- United States Patent no. 12,566,303, issued on March 3, was assigned to Sumitomo Electric Industries Ltd. (Osaka, Japan).
"Optical device" was invented by Manabu Shiozaki (Osaka, Japan), Tomoya Saeki (Osaka, Japan) and Katsumi Uesaka (Osaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is an optical device including a first lens and a second lens. The first lens of the optical device is joined to an end surface of an optical waveguide of an optical element to emit light emitted from the optical element. The second lens is optically coupled with the first lens to convert the light emitted from the first lens into collimated light."
The patent was filed on May 17,...