Takuma Sunaoka Joins Sumitomo Denko Corporate Team byAdmin23 •May 29, 2024 The Sumitomo Denko corporate team has announced that Takuma Sunaoka has joined its men's long distance program. Sunaoka, 24, is a native of Tokyo. At Saitama's Seibo Gakuen H.S. he didn't make a mark at the national l…