Tadao Kashio (樫尾 忠雄 Kashio Tadao; 26 November 1917 – 4 March 1993) was a Japanese entrepreneur and the founder of Casio. An engineer by profession, Kashio founded Kashio Seisakujo in April 1946 and served as its president from 1960 to 1988. He led the company's development from a small manufacturing business into an international electronics company through products such as electronic calculators, electronic cash registers, digital watches, and electronic musical instruments.
Source: “Tadao Kashio”, English Wikipedia (CC BY-SA 4.0), excerpt