It is hard to say after his death, in 1898, what remained of Tsutsumi Hōzan-ryū, and what had been influenced by judo. Conversely, it is hard to say if Tsutsumi had any influence on the creation of judo, as did other styles in those days. One of Tsutsumi Masao's students, Katsukuma or Katsuguma Higashi, came to the United States in the early 1900s and engaged in bouts with American wrestlers.
It is unclear what remained of Tsutsumi Hōzan-ryū after his death in 1898, and whether it was influenced by judo. Moreover, it is uncertain if Tsutsumi had any role in the development of judo, as other martial arts were prominent at that time. One of Tsutsumi Masao's students, Katsukuma or Katsuguma Higashi, arrived in the United States in the early 1900s and competed against American wrestlers.