Hatsuo Royama (盧山 初雄, Royama Hatsuo; born 31 March 1948) also known by his Korean name of Noh Cho Woong (Korean: 노초웅; Hanja: 盧初雄) is a master of Kyokushin Karate, was Kancho (Director) and now currently Kaicho (Honorary Director) of the Kyokushin-kan International Organization Honbu, one faction of the International Karate Organization (IKO) founded by Mas Oyama (1923–1994) until April 2022.
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