TOWA → Amkor Technology
As of 2026-09-05, TOWA is a tracked supplier of Amkor Technology. TOWA is a leader in Equipment (Back End) (headquartered in Japan); Amkor Technology is a major in OSAT (headquartered in United States). TOWA has 13 tracked customers; Amkor Technology has 16 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
TOWA (leader in Equipment (Back End)) is a tracked supplier of Amkor Technology (major in OSAT). Leader in semiconductor molding/encapsulation equipment. Second-largest OSAT; building advanced packaging capacity in Arizona. The edge is one of 16 tracked suppliers of Amkor Technology and one of 13 tracked customers of TOWA.
Source: derived from both company records and the counted edges.
Concentration / risk note
TOWA is positioned as a leader in Equipment (Back End), 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
TOWA (supplier)
Leader in semiconductor molding/encapsulation equipment.
Amkor Technology (customer)
Second-largest OSAT; building advanced packaging capacity in Arizona.
Other tracked suppliers of Amkor Technology
Other tracked customers of TOWA
Cite as: wafergraph, “TOWA → Amkor Technology — supplier relationship in the semiconductor supply chain”, https://wafergraph.com/relationship/towa/amkor/ (data as of 2026-09-05).
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