Tokyo Seimitsu (Accretech) → ASE Technology

Yes, wafergraph tracks Tokyo Seimitsu (Accretech) as a supplier of ASE Technology, as of 2026-10-09. ASE Technology sources from 20 tracked suppliers in this dataset.

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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

Tokyo Seimitsu (Accretech) (major in Equipment (Back End)) is a tracked supplier of ASE Technology (leader in OSAT). Wafer dicing, grinding, and metrology equipment maker. World's largest OSAT, includes SPIL; key advanced packaging partner. The edge is one of 20 tracked suppliers of ASE Technology 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.

ASE Technology (customer)

World's largest OSAT, includes SPIL; key advanced packaging partner.

Other tracked suppliers of ASE Technology

Other tracked customers of Tokyo Seimitsu (Accretech)

Frequently asked questions3
Is Tokyo Seimitsu (Accretech) a supplier of ASE Technology?
Yes. wafergraph records Tokyo Seimitsu (Accretech) as a tracked supplier of ASE Technology (as of 2026-10-09).
How many suppliers does ASE Technology have?
The dataset records 20 tracked suppliers for ASE Technology.
How many customers does Tokyo Seimitsu (Accretech) have?
The dataset records 9 tracked customers for Tokyo Seimitsu (Accretech).

Cite as: wafergraph, “Tokyo Seimitsu (Accretech) → ASE Technology — supplier relationship in the semiconductor supply chain”, https://wafergraph.com/relationship/tokyo_seimitsu/ase/ (data as of 2026-10-09).

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