Tokyo Seimitsu (Accretech) → TSMC
As of 2026-09-05, Tokyo Seimitsu (Accretech) is a tracked supplier of TSMC. Tokyo Seimitsu (Accretech) is a major in Equipment (Back End) (headquartered in Japan); TSMC is a leader in Foundry (headquartered in Taiwan). Tokyo Seimitsu (Accretech) has 9 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
Tokyo Seimitsu (Accretech) (major in Equipment (Back End)) is a tracked supplier of TSMC (leader in Foundry). Wafer dicing, grinding, and metrology equipment maker. World's dominant foundry, manufacturing nearly all leading-edge chips. The edge is one of 173 tracked suppliers of TSMC and one of 9 tracked customers of Tokyo Seimitsu (Accretech).
Source: derived from both company records and the counted edges.
The two companies
Tokyo Seimitsu (Accretech) (supplier)
Wafer dicing, grinding, and metrology equipment maker.
TSMC (customer)
World's dominant foundry, manufacturing nearly all leading-edge chips.
Other tracked suppliers of TSMC
Other tracked customers of Tokyo Seimitsu (Accretech)
Cite as: wafergraph, “Tokyo Seimitsu (Accretech) → TSMC — supplier relationship in the semiconductor supply chain”, https://wafergraph.com/relationship/tokyo_seimitsu/tsmc/ (data as of 2026-09-05).
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