Tosoh → TSMC
As of 2026-09-05, Tosoh is a tracked supplier of TSMC. Tosoh is a major in Materials (headquartered in Japan); TSMC is a leader in Foundry (headquartered in Taiwan). Tosoh has 8 tracked customers; TSMC has 173 tracked suppliers.
Data as of 2026-09-05 · 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
Cite as: wafergraph, “Tosoh → TSMC — supplier relationship in the semiconductor supply chain”, https://wafergraph.com/relationship/tosoh/tsmc/ (data as of 2026-09-05).
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