Tokyo Seimitsu (Accretech)
Tokyo Seimitsu (Accretech) is a major in the Equipment (Back End) segment of the semiconductor & AI supply chain, headquartered in Tokyo. Its key customers include TSMC, ASE Technology, Amkor Technology.
Wafer dicing, grinding, and metrology equipment maker.
- Ticker
- TSE: 7729
- Headquarters
- Tokyo
- Founded
- 1949
- Revenue
- $1.0B (FY2026) · +10.8% YoY
- Net income
- $155M
- Operating margin
- 16.1%
- Market position
- major
- Value-chain segment
- Assembly & Packaging Equipment, Metrology & Inspection
- Key products
- wafer dicing machines, wafer edge grinding machines
About Tokyo Seimitsu (Accretech)
Tokyo Seimitsu (Accretech), headquartered in Japan, operates in the Assembly & Packaging Equipment and Metrology & Inspection segments of the semiconductor & AI supply chain and is positioned as a market major there. Its key products include wafer dicing machines, wafer edge grinding machines. wafergraph maps 9 tracked customers for Tokyo Seimitsu (Accretech) across the value chain. It has a supply-chain criticality score of 68/100, with 236 companies downstream of it.
Role in the chain
Tokyo Seimitsu (Accretech) is a market major in Equipment (Back End) (Assembly & Packaging Equipment), headquartered in Japan. Wafer dicing, grinding, and metrology equipment maker.
Diligence questions
- The dataset names 9 tracked customers for Tokyo Seimitsu (Accretech). How concentrated is demand among those names, and which of them have a documented second source in this graph?
- Tokyo Seimitsu (Accretech) is headquartered in Japan. What jurisdiction, export-control or logistics risk sits at that HQ, versus at the fabs or plants the filings actually name?
- Tokyo Seimitsu (Accretech) trades as TSE:7729. What does the latest reported period say about capacity and backlog versus the graph position above?
- Before treating any edge as a verified relationship, check the provenance labels on the company page and the method note at /methodology.
Key products
- wafer dicing machines
- wafer edge grinding machines
Customers
More Equipment (Back End) companies
Compare with
Applied Materials · KLA · DISCO · Lasertec · Nordson · Zhongke Feice Technology
Sources
Open the interactive supply-chain view →
Cite as: wafergraph, “Tokyo Seimitsu (Accretech) — supply chain, financials & market position”, https://wafergraph.com/company/tokyo_seimitsu (data as of 2026-09-05).
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