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
$2.1B (FY2026) · +1.9% YoY
Net income
$136M
Operating margin
10.5%
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.

Key products

  • high-purity polycrystalline silicon (polysilicon)
  • REOLOSIL fumed silica (CMP slurry polishing agent)

Customers

More Materials companies

Sources

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