Company record

Tosoh Quartz Corporation

Makes quartz crucibles · Japan

ClearFEOC · from research findings

Research found no owner from a country of concern among its few large owners.

The automated check found no tie to a country of concern. About FEOC

The check read Home country Ownersnot Control Lenders Government lists

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CautionCHIPS and export controls

Too little confirmed ownership data to clear it under the CHIPS rules: a gap in the data, not a finding against it.

CH-OPAQUE · Screening data-quality rule (no statutory basis; a data gap, not a verdict)

Where it sits

Loading the model

Not a part of the solar module; a step on its chain

The Solar PV chain, raw material to product

Also on the Semiconductors chain (Quartz Crucibles).

Products on record: Quartz Crucible Manufacturing| Synthetic quartz glass/ingots and crucibles for semiconductor use

Owners

Parent: Tosoh Corporation
Ownership: Subsidiary of public parent

Locations

Headquarters: Tokyo, Japan
Production: Yamagata (Yonezawa), Japan
Toyama, Japan

Sources

Company registries: unresolved
Government lists: Not checked here. A reviewed report checks them.
Research findings: Used for the ownership reading

Others making quartz cruciblesJapan first

Automated results come from registry sources, read by fixed rules, with research findings where the registries stop. The chip results also read the US government lists; for FEOC the lists are read in a full screen. They are advisory, not legal advice. A reviewed report is written by a person on request. Contact us