Private company

QTnet

Logo: QTnet, Public domain, via Wikimedia Commons3

QTnet is a Japanese company based in Fukuoka, founded in 1987.1 It is part of Kyushu Electric Power.1

株式会社QTnet（キューティーネット）は、福岡県福岡市中央区に本社を置く九州電力グループの電力系通信事業者。2017年7月1日までの旧社名は九州通信ネットワーク株式会社。2 From the Japanese Wikipedia, CC BY-SA 4.0

Last updated Oct 20, 2026.

Overview

Jul 1, 1987Founded1

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Corporate structure

QTnet is part of a group headed by KYUDEN Holdings Inc.. 7 entities, 1 country on record. Switch between the flow chart and the network, and select any entity to see its details.

Built from parent and subsidiary links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); 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

Subsidiaries

  • Sengoku Co., Ltd.

From Wikidata.1

Timeline

  1. Jul 1, 1987Founded Founded1

Sources

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

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