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Private company

Otsuka Pharmaceutical Factory

Logo: Otsuka Holdings, Public domain, via Wikimedia Commons3

Otsuka Pharmaceutical Factory is a Japanese company based in Naruto, founded in 1921.1 It is part of Otsuka Holdings.1

株式会社大塚製薬工場（おおつかせいやくこうじょう、英: Otsuka Pharmaceutical Factory, Inc.）は、国内最大手の輸液（点滴剤）メーカーであり、大塚製薬グループの母体企業である。2 From the Japanese Wikipedia, CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

Sep 1, 1921Founded1

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Corporate structure

Otsuka Pharmaceutical Factory is part of a group headed by Otsuka Holdings. 19 entities, 4 countries 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

From Wikidata.1

Timeline

  1. Oct 1, 2008Acquired Acquired by Otsuka Holdings1
  2. 1999Acquired Acquired by Otsuka Pharmaceutical1
  3. Sep 1, 1921Founded Founded1

Sources

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

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