Tosoh → TSMC
Yes, wafergraph tracks Tosoh as a supplier of TSMC, as of 2026-10-09. TSMC sources from 173 tracked suppliers in this dataset.
Data as of 2026-10-09 · relationship type: tracked supplier → customer · both names resolve in companies.json · no dollar amount is shown unless it already sits on a company record, and none is invented here
Why this edge matters
Tosoh (major in Materials) is a tracked supplier of TSMC (leader in Foundry). Supplies sputtering targets and quartzware for fabs. World's dominant foundry, manufacturing nearly all leading-edge chips. The edge is one of 173 tracked suppliers of TSMC and one of 8 tracked customers of Tosoh.
Source: derived from both company records and the counted edges.
The two companies
Tosoh (supplier)
Supplies sputtering targets and quartzware for fabs.
TSMC (customer)
World's dominant foundry, manufacturing nearly all leading-edge chips.
Other tracked suppliers of TSMC
Other tracked customers of Tosoh
Frequently asked questions3
- Is Tosoh a supplier of TSMC?
- Yes. wafergraph records Tosoh as a tracked supplier of TSMC (as of 2026-10-09).
- How many suppliers does TSMC have?
- The dataset records 173 tracked suppliers for TSMC.
- How many customers does Tosoh have?
- The dataset records 8 tracked customers for Tosoh.
Cite as: wafergraph, “Tosoh → TSMC — supplier relationship in the semiconductor supply chain”, https://wafergraph.com/relationship/tosoh/tsmc/ (data as of 2026-10-09).
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