was a Japanese billionaire businessman, and the founder and chairman of Sankyo, one of the three major pachinko machine makers in Japan. According to Forbes in January 2015, he had an estimated net worth of US$4.2 billion. He died in October 2016 at the age of 91. See also List of Japanese by net worth References External links Forbes.com: Forbes World's Richest People 1925 births 2016 deaths 20th-century Japanese businesspeople 21st-century Japanese businesspeople Japanese billionaires Japanese company founders