ALEXANDRIA, Va., April 21 -- United States Patent no. 12,609,040, issued on April 21, was assigned to Nokia Solutions And Networks Oy (Espoo, Finland).

"Apparatuses and methods for unmanned aerial vehicles collision avoidance" was invented by Genliang Qiu (Qingdao, China), Xin Wang (Qingdao, China), Guiyang Wu (Qingdao, China) and Dawei Liu (Qingdao, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Apparatuses and methods for unmanned aerial vehicle collision avoidance are provided. An example method (200) may include receiving first information on presence of a first unmanned aerial vehicle in a first tracking area (210), determining a first number of unmanned aerial vehicles in the first tracking area ...