Kugimiya in 2013 would go to the Philippines to help train Filipino gymnasts which includes Carlos Yulo.
[3] In 2017, Kugimiya would advise Yulo to talk to his family when the gymnast expressed willingness to quit due to homesickness and lack of motivation.
[3] After the 2023 Asian Championships, Yulo parted ways with long-time coach Kugimiya due to personal reasons.
While having no chance to meet with Yulo in person, the coach would congratulate his former pupil for bagging two gold medals in the floor and vault.
[10] During this time, Kugimiya is co-currently holding the role as an associate professor in medical technology at the Teikyo University in Tokyo.