Private company
Tokuyama Corporation
Logo: Tokuyama Corporation, Public domain, via Wikimedia Commons5
Japanese chemical company
Tokuyama Corporation (株式会社トクヤマ, Kabushiki-gaisha Tokuyama) is a Japanese, Tokyo-based chemical company and the world's fourth largest silicon manufacturer. The company was founded as Nihon Soda Kogyo Co., Ltd., a producer of soda ash in 1918 by Katsujiro Iwai. It changed name in 1936 to Tokuyama Soda Co., Ltd. and in 1994 to its present name.3 Wikipedia text CC BY-SA 4.0
Last updated Oct 21, 2026.
Overview
- Industrychemical industry1
- HeadquartersTokyo1
- Websitewww.tokuyama.co.jp/eng
- Legal formkabushiki gaisha1
- Business addressFront Place Akihabara,, 7-5, Sotokanda 1-Chome, Chiyoda-Ku,, Tokyo, M0 101-86186
- LEI529900MHGZKHNMNCQB624
- StatusActive4
- LEI statusLapsed (not renewed)4
- Registered address御影町1番1号, 745-8648 周南市, Japan4
- Registered withNational Tax Agency, 12500010090804
See how the biggest companies compare on our leaderboards
Tokuyama Corporation (株式会社トクヤマ, Kabushiki-gaisha Tokuyama) is a Japanese, Tokyo-based chemical company and the world's fourth largest silicon manufacturer.3
Corporate structure
Tokuyama Corporation sits at the top of its group. 2 entities, 1 country on record. Switch between the flow chart and the network, and select any entity to see its details.
- Tokuyama Corporation 周南市, Japan
- TOKUYAMA KAIRIKU UNSO Subsidiary · Yamaguchi Prefecture, Japan
Built from parent and subsidiary links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); subsidiaries, stakes and holdings from Wikidata (CC0). Each entity in the chart links to its source.
Products and brands
- sodium carbonate
Listed on Wikidata.1
Chemicals business
Soda ash and calcium chloride
Chlor-alkali and vinyl chloride products: caustic soda (liquid, flake), propylene oxide, vinyl chloride monomer
New organic chemicals: isopropyl alcohol
Cement business
Portland cement: ordinary, early-strength, medium-heat
Read the full text
Recycling services
Fresco Giclee
Specialty products business
Electronic materials: polycrystalline silicon
Fumed silica
SHAPAL products: aluminum nitride (powder, granules)
IC chemicals and the cleaning system: high purity chemicals for electronics manufacturing, positive-type photoresist
Life and amenity business
Fine Chemicals: photochromic dye materials, hard coating solutions for plastic lenses, pharmaceutical bulk ingredients, amino radical protectants
Microporous film: polyethylene porous film
Dental materials
Source
From Wikipedia’s article on Tokuyama Corporation, shared under CC BY-SA 4.0.7
Subsidiaries and ownership
Subsidiaries
From Wikidata.1
Timeline
- 1918Founded Founded1
SEC filer profile
How Tokuyama Corporation is registered with the Securities and Exchange Commission, from its EDGAR record and the cover page of its latest annual report.
Links
- Websitewww.tokuyama.co.jp/eng1
- WikipediaTokuyama Corporation
- More imagesWikimedia Commons
- WikidataQ11321180
- SEC EDGARCIK 1828477
Sources
The numbers on this page point here. Each one links to the record it came from.
- 1WikidataTokuyama Corporation on Wikidata
- 2
- 3WikipediaTokuyama Corporation on Wikipedia
- 4
- 5Wikimedia CommonsTokuyama Corporation logo by Tokuyama Corporation, Public domain
- 6
- 7