Nakata belongs in the graph because Yamaken-gumi itself became one of the most unstable pieces of the post-2015 conflict. His leadership sits at the intersection of Yamaken-gumi, yamaguchi-gumi/">Kobe Yamaguchi-gumi and later realignment. This profile should remain closely tied to dated organization relationships.
Why this profile matters
This node is being expanded because it closes a major gap in the Japan knowledge graph. It should not stand alone: its value comes from the surrounding organization, people and event links.
the archive connections
Yamaken Gumi, Kobe Yamaguchi Gumi, Yamaguchi Gumi, Kunio Inoue.
Sources
– [U.S. Treasury — Targets New Yakuza Syndicate](https://home.treasury.gov/news/press-releases/jl0694) — Official designation describing Kobe Yamaguchi-gumi leadership. – [Japan National Police Agency — White Paper 2017](https://www.npa.go.jp/hakusyo/h29/english/Contents_WHITE_PAPER_on_POLICE2017.htm) — Official background on boryokudan, Yamaguchi-gumi split and organized-crime countermeasures.
Key events
2015 Yamaguchi-gumi Split
The story of the 2015 breakaway that created Kobe Yamaguchi-gumi and permanently reshaped the modern Japanese organized-crime map.
People, groups and places
Collectibles & memorabilia
Explore monetized Amazon results connected to Koji Nakata. Curated items appear first when available.
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References
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[1]Measures against Rokudaime Yamaguchi-gumi and Kobe Yamaguchi-gumiTier 1SupportsView source ↗
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[2]White Paper on Police 2017 — Situation of Organized Crime GroupsTier 1SupportsView source ↗
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[3]White Paper on Police 2023 — Organized Crime GroupsTier 1SupportsView source ↗
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[4]White Paper on Police 2025 — Organized Crime CountermeasuresTier 1SupportsView source ↗
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[5]Japan National Police Agency — 2013 White Paper, Yamaguchi-gumi situationTier 2SupportsView source ↗
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[6]Japan National Police Agency — 2017 White Paper, Measures against Organized CrimeTier 2SupportsView source ↗
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[7]Japan National Police Agency — White Paper 2016Tier 2SupportsView source ↗
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[8]Japan National Police Agency — White Paper 2017Tier 2MentionsSupportsView source ↗
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[9]Yamaguchi-gumi Split Signals Changes in the Yakuza WorldTier 2SupportsView source ↗
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[10]U.S. Department of the Treasury — Targets New Yakuza SyndicateTier 2SupportsMentionsView source ↗