KO PROPO is a brand of radio control equipment and humanoid robot (KHR-1) by Kondo Kagaku, established in Tokyo, Japan in 1945. In 1982 KO PROPO introduced the Expert EX-1, reported to have been the first to integrate a pistol grip into a transmitter device with a gun trigger to act as the throttle, which later became a popular fixture in radio controlled transmitters. the company had won 32 IFMAR World titles. References External links KO PROPO USA Japanese companies established in 1945 Companies based in Tokyo Radio-controlled transmitter Robotics companies of Japan Robotics in Japan Science and technology in Japan Japanese brands Technology companies established in 1945