ALEXANDRIA, Va., June 12 -- United States Patent no. 12,300,099, issued on May 13, was assigned to NEC Corp. (Tokyo).

"Display control of a traffic lamp for a vehicle visually blocked by another vehicle" was invented by Hiroyasu Sudou (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A signal control device is provided with: an information acquisition unit which acquires first sensor data from a sensor that is capable of detecting a vehicle present in a display direction of a lamp; a determination unit which determines, on the basis of the first sensor data, whether or not there is a following vehicle behind the vehicle detected by the sensor, the following vehicle being unable to see the display state o...