ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,541,969, issued on Feb. 3, was assigned to KOREA PHOTONICS TECHNOLOGY INSTITUTE (Gwangju, South Korea).

"Fruit quantity measurement system and method" was invented by Seon Hoon Kim (Gwangju, South Korea), Doo Gun Kim (Gwangju, South Korea), Young Ho Song (Gwangju, South Korea), Seung Heon Han (Gwangju, South Korea), Ju Hyeon Choi (Gwangju, South Korea) and Jeong Hwan In (Gwangju, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A fruit quantity measurement system includes an unmanned aerial vehicle configured to receive GPS information about a fruit tree region of a predetermined area and an RF signal transmitted from an RF transmitter installe...