JSR → TSMC
As of 2026-09-05, JSR is a tracked supplier of TSMC. JSR is a leader in Materials (headquartered in Japan); TSMC is a leader in Foundry (headquartered in Taiwan). JSR 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
JSR (leader in Materials) is a tracked supplier of TSMC (leader in Foundry). Top photoresist maker incl. EUV resists; taken private by JIC in 2024. 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 JSR.
Source: derived from both company records and the counted edges.
Concentration / risk note
JSR is positioned as a leader in Materials, so this edge is harder to replace than a challenger or niche supplier.
Basis: supplier position. Omitted on edges where the graph does not back a concentration claim.
The two companies
JSR (supplier)
Top photoresist maker incl. EUV resists; taken private by JIC in 2024.
TSMC (customer)
World's dominant foundry, manufacturing nearly all leading-edge chips.
Other tracked suppliers of TSMC
Other tracked customers of JSR
Cite as: wafergraph, “JSR → TSMC — supplier relationship in the semiconductor supply chain”, https://wafergraph.com/relationship/jsr/tsmc/ (data as of 2026-09-05).
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