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Company Dossier

Tosoh Quartz Corporation

Tokyo · Japan

All companies
Solar & Semiconductor · Solar Upstream (Raw Materials); Quartz Crucibles

Tosoh Quartz Corporation

Tokyo · Japan

CLEAR

Tosoh Quartz Corporation is a company in the solar & semiconductor supply chain, operating in Solar Upstream (Raw Materials); Quartz Crucibles, based in Tokyo, Japan. Verdex maps it across 2 stages of the supply chain, covering Quartz Crucible Manufacturing| Synthetic quartz glass/ingots and crucibles for semiconductor use.

FEOC Prescreen Verdict
confidence: research

No covered-nation ownership identified (structure: concentrated)

CHIPS / Export-Control Verdict
CAUTION

Not enough verified ownership evidence to clear the CHIPS entity tests — data gap, not a verdict

  • CH-OPAQUE — Screening data-quality rule (no statutory basis; a data gap, not a verdict)
Country
Japan
HQ City
Tokyo
Sector
Solar & Semiconductor
Category
Solar Upstream (Raw Materials); Quartz Crucibles
Product Line
Quartz Crucible Manufacturing| Synthetic quartz glass/ingots and crucibles for semiconductor use
Production Locations
Yamagata (Yonezawa) Japan; Toyama Japan
Parent
Tosoh Corporation
Ownership Type
Subsidiary of public parent
Resolution
UNRESOLVED
Registries Matched
0
Data Quality
0.78

Supply chain placement

Solar PV
Quartz Crucibles
Semiconductors
Quartz Crucibles

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Prescreen verdicts are deterministic ratings based on registry data (GLEIF, SEC EDGAR, OpenCorporates, Tianyancha) and statutory lists (CSL, OFAC, BIS, UFLPA, NDAA §154b). They are advisory, not legal advice.