Wikipedia
Yamano-kai
The Third was a yakuza group based in Kumamoto, Kyushu, Japan. It was a secondary organization of the Kumamoto-rengo (熊本連合).
Founded by Yoshiaki Yamano in 1954 under the name , it changed its name to "Yamano-kai" in 1956. Masatoshi Minoda succeeded as its president in 1972, and Tetsuo Ikeda became the president in 1986.
The group dissolved in April 2001. However, many of its members formed a new group, the Sanshin-kai, in September of that year.
The Yamano-kai was designated by the Japanese police as a bōryokudan group from December 1992 to November 2001.