Sumitomo Chemical → TSMC
As of 2026-09-05, Sumitomo Chemical is a tracked supplier of TSMC. Sumitomo Chemical is a major in Materials (headquartered in Japan); TSMC is a leader in Foundry (headquartered in Taiwan). Sumitomo Chemical has 7 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
Sumitomo Chemical (major in Materials) is a tracked supplier of TSMC (leader in Foundry). Diversified chemicals group with significant photoresist business. World's dominant foundry, manufacturing nearly all leading-edge chips. The edge is one of 173 tracked suppliers of TSMC and one of 7 tracked customers of Sumitomo Chemical.
Source: derived from both company records and the counted edges.
The two companies
Sumitomo Chemical (supplier)
Diversified chemicals group with significant photoresist business.
TSMC (customer)
World's dominant foundry, manufacturing nearly all leading-edge chips.
Other tracked suppliers of TSMC
Other tracked customers of Sumitomo Chemical
Cite as: wafergraph, “Sumitomo Chemical → TSMC — supplier relationship in the semiconductor supply chain”, https://wafergraph.com/relationship/sumitomo_chemical/tsmc/ (data as of 2026-09-05).
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