1964: Collaborated to start the “Japan Karate-Do Federation” (JKF) Founded by R. Sasagawa. Soke Sadatomo Harada participated as director of the Student Federation.
1974: Took office as the President of Kansai University Karate-Do Federation OB Assembly. Took office as vice-Director and special Chairman of Committee in Kansai University Sport OB Assembly. He received the 7th dan Black Belt in Kansai University Karate Do.
1999: Soke Sadatomo Harada established the newly International Shito-Ryu Karate-Do Seishinkai. (KOKUSAI SHITO-RYU KARATE DO SEISHINKAI) in 1999 and the Veterans Council announced Sadatomo Harada as 5th and current Soke of Seishinkai. Soke Sadatomo Harada becomes President of All Japan Ju-Jitsu Federation.