ALEXANDRIA, Va., July 15 -- United States Patent no. 12,665,377, issued on June 23, was assigned to NEC Corp. (Tokyo).
"Light supply apparatus" was invented by Motoyoshi Kawai (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A light supply apparatus includes a second optical coupler, two first optical couplers, and excitation laser modules (light output units). Each of the first optical couplers is configured to have four input ports and four output ports. The second optical coupler is configured to have two input ports and two output ports. One of the input ports of the one first optical coupler is connected to one of the output ports of the second optical coupler. One of the input ports of the other f...