 Upon retirement Mienoumi took the name of Musashigawa Oyakata and established Musashigawa stable in 1981.Until then Dewanoumi stable had discouraged any breaking away, and he was the first from Dewanoumi in 62 years to amicably set up a new stable.By 2000 Musashigawa stable had become one of the strongest stables in sumo with a "yokozuna", Musashimaru, and three "ōzeki", Dejima, Musōyama and Miyabiyama.