Ryusei Sagusa (三枝龍生 Sagusa Ryusei) is a Yoshinkan aikido master. He spent many years as an uchi-deshi of Yoshinkan founder Gozo Shioda. Publications 体は何でも知っている (ちくま文庫) 2010. External links Aikido Tenshinkai 1954 births Living people Japanese aikidoka Date of birth missing (living people) Place of birth missing (living people)