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Harukichi Yamaguchi
In 1915, Yamaguchi organized a Kobe group rooted in waterfront labor dispatching and entertainment-related work.
People index
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02
East & Southeast Asia — choose an eraBased on documented activity years. A profile may appear in several eras when its activity overlaps them.
66 public profiles · East & Southeast Asia
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Hideo Mizoshita
Hideo Mizoshita — Senior Kudo-kai historical figure associated with an earlier leadership era.
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Hideyuki Senoo
Hideyuki Senoo — Senior Yamaken-gumi figure and affiliate boss.
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Hiroshi Yamamoto
Hiroshi Yamamoto — Senior Yamaguchi-gumi figure who led the Ichiwa-kai breakaway.
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Hiroyuki Suzuki
Hiroyuki Suzuki — Former Sakaume-gumi member who later became a Christian preacher.
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Hisayuki Machii
A profile of Hisayuki Machii, founder of Tosei-kai and a major postwar Tokyo underworld figure with business and…
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Isao Seki
Isao Seki — Eighth-generation senior leader of the Sumiyoshi-kai.
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Ishino
Ishino — Azuma-gumi section leader identified in a 2003 German television report.
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Isoji Koga
Isoji Koga — Founder and first president of the Dojin-kai.
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Jusaku Abe
Jusaku Abe — Early founder figure associated with the organization that became Sumiyoshi-kai.
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Kakuji Inagawa
Kakuji Inagawa was the founding figure behind the organization that developed into the Inagawa-kai, a major Japanese yakuza…
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Katsumasa Nakayama
Katsumasa Nakayama — Senior Yamaguchi-gumi underboss killed during the Yama-Ichi War.
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Kazuo Nakanishi
Kazuo Nakanishi — Senior Yamaguchi-gumi leader who served in an acting leadership role during the succession crisis.
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Kazuo Taoka
Profile of Kazuo Taoka, the third-generation boss whose postwar expansion transformed Yamaguchi-gumi from a Kobe group into Japan’s…
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Kenichi Yamamoto
Yamamoto rose through the postwar Yamaguchi-gumi and founded the Yamaken-gumi, which became one of the most consequential internal…
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Kensei Takayama
Kensei Takayama — Current-era leader associated with Aizukotetsu-kai.
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Kiichiro Hayashi
Kiichiro Hayashi — Historical Inagawa-kai figure.
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Kijin Inoue
Kijin Inoue — Historical Inagawa-kai figure.