Private company

Koyu Corporation

Koyu Corporation is a Japanese company based in Saitama Prefecture, founded in 1993.¹

株式会社こうゆうは、埼玉県さいたま市浦和区に本社を置く、教育関連企業。花まる学習会などの学習塾を運営する。² From the Japanese Wikipedia, CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

Feb 2, 1993Founded¹

HeadquartersSaitama Prefecture, Japan¹
Websitewww.hanamarugroup.jp/index.php

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Timeline

Feb 2, 1993Founded Founded¹

Links

Websitewww.hanamarugroup.jp/index.php¹
WikidataQ22131064

Sources

The numbers on this page point here. Each one links to the record it came from.

1
WikidataKoyu Corporation on Wikidata
2
WikipediaKoyu Corporation on the Japanese Wikipedia