Masayuki Ishihara was born in Tokyo, Japan, Japan. Masayuki Ishihara is #1982 in List Billionaires People In The World. Ishihara and his immediate family own about 45% of Tokyo-listed pachinko machine maker Heiwa. Ishihara is not involved in running Heiwa. He founded another pachinko firm, Olympia, which Heiwa acquired in a stock swap in 2007. Heiwa subsidiary PGM is Japan's second-largest golf course operator.