title: Masahisa Takenaka
text: # Masahisa Takenaka
  
  Masahisa Takenaka (竹中 正久, Takenaka Masahisa, November 30, 1933 – January 27, 1985) was the 4th kumicho of the Yamaguchi-gumi, Japan's largest yakuza gang.
  
  He took the role of kumicho (supreme Godfather) in 1984, but was assassinated at a girlfriend's home in Osaka early the next year by a rival faction, the Ichiwa-kai. The killing sparked a massive yakuza war, the Yama-Ichi War, in which more than 20 people died.
  
  | Preceded byKazuo Taoka | Kumicho of Yamaguchi-gumi 1984–1985 | Succeeded byYoshinori Watanabe |
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