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Noboru Yamaguchi
Born1902
DiedOctober 4, 1942

Noboru Yamaguchi (山口 登, Yamaguchi Noboru, Japanese: [jamaɡɯt͡ɕi noboɾɯ]) was the second kumicho, or Godfather, of the Yamaguchi-gumi yakuza gang in Japan.

He assumed control of the gang in 1925 from his father, the gang's founder, Harukichi Yamaguchi. He ruled until 1942, and was succeeded in 1946 by his protégé, Kazuo Taoka.

Preceded byHarukichi Yamaguchi Kumicho of Yamaguchi-gumi 1925-1942 Succeeded byKazuo Taoka