 In 1650, at the age of 76, Hisayasu died in Iwakuni, Yamaguchi Prefecture.The original name for Hisayasu's tradition was said to be "Ikkan-ryū" (一貫流) for a time, but was known within the Katayama family as "Katayama-ryū" (片山流）.Katayama Hisayasu's teaching also became widely spread in Kumamoto and the name Hōki-ryū (伯耆流) and Katayama Hōki-ryū (片山伯耆流) became more widely known there and throughout the country.