Karaoke inventor Shigeichi Negishi dies at 100 Enlarge this image toggle caption Hiroko Yoda Hiroko Yoda Shigeichi Negishi, the inventor of the world's first commercially-available karaoke machine, has died in Japan. According to the Wall Street Journal, Negishi's daughter Atsumi Takano said her father died from natural causes on Jan. 26, after a fall. Negishi was in his 40s when …