Park Kye-jung, CEO of Ace Electronics, won the Gold and Silver prizes for his invention of motor and motor-equipped gear at the 23rd Invention and New Product Exposition, he took the gold medal with his invention of a special device that converts vibrations from a running car into electric power. During the INPEX held in Pittsburgh, Pennsylvania sixteen Korean inventions received awards, including four gold prizes, three silvers, three bronzes and six special prizes. The Pittsburgh INPEX had inventors from 20 countries, contenders from Australia, Germany, the United States and 11 other countries submitted 160 items.