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Private company

Eikoh

Logo: Eikoh, Public domain, via Wikimedia Commons3

Eikoh is a Japanese cram school operator based in Chiyoda, founded in 1980.1 It is part of Z-Kai Group.1

栄光ゼミナール（えいこうゼミナール、英: Eikoh Seminar）は、Z会ホールディングスの子会社、株式会社栄光により運営される学習塾である。2 From the Japanese Wikipedia, CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

Jul 1, 1980Founded1

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Corporate structure

Eikoh is part of a group headed by Z-Kai Group. 2 entities, 1 country on record. Switch between the flow chart and the network, and select any entity to see its details.

  • Z-Kai Group Shizuoka Prefecture, Japan
    • Eikoh Chiyoda, Japan

Built from subsidiaries, stakes and holdings from Wikidata (CC0); major holders from Schedules 13D and 13G. Each entity in the chart links to its source.

Subsidiaries and ownership

Parent company

From Wikidata.1

Timeline

  1. Jul 1, 1980Founded Founded1

Sources

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

  1. 1
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  3. 3