 In the early years, Gichin Funakoshi often took Gigo with him to his trainings with Yasutsune Itosu.Gigo moved from Okinawa to Tokyo with his father when he was 17, and later became a radiographer of the Section of Physical and Medical Consultation of the Ministry of Education.When his father's Shihan (senior assistant instructor) Takeshi Shimoda died, Gigo assumed his position within the Shotokan organization teaching in various universities.