Verdex company record
Tosoh Quartz Corporation
CLEAR
Automated result, not a reviewed report
This record is the output of the Verdex automated prescreen, run in batch on 2026-08-10.
What it read under FEOC: Home country and owners, from registry data. Not control, lenders or the government lists. No person has reviewed it.
To get a cited reviewed report on this supplier, request one.
Result by rule
| Rule | Result | What it means |
|---|---|---|
| FEOC Clean energy tax credits are lost on parts that come from a prohibited foreign entity. |
CLEAR | The automated check found no tie to a country of concern. |
| Country of origin Where a part is made decides tariffs, local-content credits and which rules apply. |
Japan | Not a country of concern under the rules. This is where the head office is. The plants, where known, are listed below. |
Why
Research found no owner from a country of concern among its few large owners.
Result from research findings. On a government list: not checked in this prescreen.
Company
- Head office
- Tokyo, Japan
- Sector
- Solar & Semiconductor
- Category
- Solar Upstream (Raw Materials); Quartz Crucibles
- Product line
- Quartz Crucible Manufacturing| Synthetic quartz glass/ingots and crucibles for semiconductor use
- Parent
- Tosoh Corporation
- Ownership type
- Subsidiary of public parent
Where it sits
- Solar PV: Quartz Crucibles
- Semiconductors: Quartz Crucibles
Where it makes things
- Yamagata (Yonezawa), Japan
- Toyama, Japan