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    • John Osako
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    Students (1)
    • Bert Becerra
      Bert Becerra
      linkKōdōkan Jūdō 3
      Confirmed
      The club website describes John Osako as Becerra's last coach, a great judo champion, referee and friend
      expand_morefact_checkassessed by FSMverified
      Frederico Muñoz
      Researcher, Martialis
       1 source
      fact_check
      The club website describes John Osako as Becerra's last coach, a great judo champion, referee and friend
      assessed by FSMverified
      Frederico Muñoz
      Researcher, Martialis
      "Sensei Bert Becerra and his last coach, John Osako, a great judo champion, referee and friend"
      — Becerra Judo. (2011). Becerra Judo & Jujitsu linkhistoryinfo
    Sources
    "Sensei Bert Becerra and his last coach, John Osako, a great judo champion, referee and friend"
    — Becerra Judo. (2011). Becerra Judo & Jujitsu linkhistoryinfo
    Linked data
    data_object JSON-LDdata_object Turtle
    https://martial.is/entity/01M1KR4J6ER9CXD0VTCVCTDTRA