Tokuyama
Tokuyama is a major in the Materials segment of the semiconductor & AI supply chain, headquartered in Japan. Its key customers include SUMCO, GlobalWafers, Shin-Etsu Chemical.
Japanese chemical maker; semiconductor-grade polysilicon and fumed silica.
- Ticker
- TSE: 4043
- Headquarters
- Japan
- Revenue
- $2.2B (FY2026) · +1.9% YoY
- Net income
- $139M
- Operating margin
- 7.1%
- Market position
- major
- Value-chain segment
- Silicon Wafers, CMP Slurries
- Key products
- high-purity polycrystalline silicon (polysilicon), REOLOSIL fumed silica (CMP slurry polishing agent)
About Tokuyama
Tokuyama, headquartered in Japan, operates in the Silicon Wafers and CMP Slurries segments of the semiconductor & AI supply chain and is positioned as a market major there. Its key products include high-purity polycrystalline silicon (polysilicon), REOLOSIL fumed silica (CMP slurry polishing agent). wafergraph maps 10 tracked customers for Tokuyama across the value chain. It has a supply-chain criticality score of 70/100, with 246 companies downstream of it.
Role in the chain
Tokuyama is a market major in Materials (Silicon Wafers), headquartered in Japan. Japanese chemical maker; semiconductor-grade polysilicon and fumed silica.
Diligence questions
- The dataset names 10 tracked customers for Tokuyama. How concentrated is demand among those names, and which of them have a documented second source in this graph?
- Tokuyama is headquartered in Japan. What jurisdiction, export-control or logistics risk sits at that HQ, versus at the fabs or plants the filings actually name?
- Tokuyama trades as TSE:4043. What does the latest reported period say about capacity and backlog versus the graph position above?
- Before treating any edge as a verified relationship, check the provenance labels on the company page and the method note at /methodology.
Key products
- high-purity polycrystalline silicon (polysilicon)
- REOLOSIL fumed silica (CMP slurry polishing agent)
Customers
More Materials companies
Compare with
Shin-Etsu Chemical · FUJIFILM · Entegris · Resonac · DuPont · GlobalWafers
Sources
Open the interactive supply-chain view →
Cite as: wafergraph, “Tokuyama — supply chain, financials & market position”, https://wafergraph.com/company/tokuyama (data as of 2026-09-05).
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