Aizukotetsu-kai is notable for a lineage extending much further back than many modern boryokudan organizations. Its Kyoto base and repeated generational transitions make it a useful contrast with the rapid postwar growth of groups such as Yamaguchi-gumi. The page should emphasize continuity, renaming and the difference between historical lineage claims and modern legal designation.
Why this profile matters
This profile expands an existing canonical the archive node rather than creating a duplicate. Its main purpose is to make the Japan knowledge graph denser by connecting regional groups, people, conflicts and legal changes.
the archive connections
Senkichi Kousaka, Tokutaro Takayama, Kensei Takayama, Boryokudan Explained.
Sources
– [Japan National Police Agency — White Paper 2010, List of Designated Boryokudan](https://www.npa.go.jp/hakusyo/h22/english/White_Paper_2010_5.pdf) — Official historical table covering regional syndicates and their areas of influence. – [Japan National Police Agency — Police of Japan 2021, Designated Boryokudan Groups](https://www.npa.go.jp/english/Police_of_Japan/police-of-japan2021/001/001.pdf) — Official list of designated boryokudan groups, offices and membership figures as of end-2020.
Connected records
How to read the network
People who shaped this story
Collectibles & memorabilia
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References
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[1]Japan National Police Agency — Police of Japan / Organized CrimeTier 2SupportsView source ↗
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[2]Japan National Police Agency — Police of Japan 2021, Designated Boryokudan GroupsTier 2MentionsSupportsView source ↗
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[3]Japan National Police Agency — White Paper 2010, List of Designated BoryokudanTier 2MentionsSupportsView source ↗
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[4]Japan National Police Agency — White PapersTier 2SupportsView source ↗