# Who are Hitachi High-Tech's customers? Who does Hitachi High-Tech earn revenue from?
Canonical: https://valuechain.wiki/hitachi-hightech · Facet: customers · Updated: 2026-07-12T06:14:39.046+00:00 · Source: ValueChain.wiki (cited money-flow graph)

**Citable summary**: Hitachi High-Tech's confirmed revenue counterparties include 삼성전자, SK하이닉스, TSMC. Per the valuechain.wiki graph: 3 revenue edges, backed by 5 dated sources, 1 of them primary filings (as of 2026-07-12).

### 삼성전자 (high)  → /samsung-electronics.md
- note: Supplies etch/metrology tools to Samsung — advanced memory/foundry capex flows into tool orders as a lagging benefit.
- [mentions] MarketScreener (EN, research, published 2026-06-01) https://www.marketscreener.com/quote/stock/HITACHI-LTD-6492153/consensus/: "Being a non-public subsidiary with no direct analyst coverage, it is proxied via parent Hitachi (6501) consensus — semiconductor-equipment (measurement & analysis) growth contributes to group results."
- [confirms] Hitachi (EN, filing, published 2026-04-27) https://www.hitachi.com/content/dam/hitachi/global/en/press/files/2026/04/260427/2025_An.pdf: "Hitachi FY2025 (ended Mar 2026): Measurement & Analysis (incl. semiconductor manufacturing equipment) revenue +9%, profitability improved on higher SPE sales. Hitachi High-Tech is a wholly owned (non-public) Hitachi subsidiary, so segment results are only visible via parent disclosure and per-customer revenue is not disclosed."
- [confirms] Digital Today (KO, news, published 2025-06-01) https://www.digitaltoday.co.kr/news/articleView.html?idxno=610284: "Deepening reliance on Japanese suppliers in the HBM4 era"
- [confirms] Hitachi High-Tech (EN, ir, published 2025-05-01) https://www.hitachi-hightech.com/global/en/company/financial-info/: "Supplies etch and metrology equipment to Samsung Electronics."
- [confirms] Hitachi (EN, news, published 2024-11-27) https://www.hitachi.com/New/cnews/month/2024/11/241127a.html: "Supplies etch and metrology equipment to Samsung Electronics."

### Hitachi (모회사) (high)  → /hitachi.md
- note: Hitachi took Hitachi High-Tech private as a wholly owned subsidiary in 2020.
- [confirms] Hitachi High-Tech (EN, ir, published 2026-01-01) https://www.hitachi-hightech.com/global/en/company/group/: "Hitachi took Hitachi High-Tech private as a wholly owned subsidiary in 2020."

### SK하이닉스 (mid)  → /sk-hynix.md
- note: Supplies etch/metrology tools to SK hynix — advanced HBM/DRAM processes add etch/metrology steps, a key demand source.
- [confirms] Hitachi (EN, filing, published 2026-04-27) https://www.hitachi.com/content/dam/hitachi/global/en/press/files/2026/04/260427/2025_An.pdf: "Hitachi FY2025 (ended Mar 2026): Measurement & Analysis (incl. semiconductor manufacturing equipment) revenue +9%, profitability improved on higher SPE sales. Hitachi High-Tech is a wholly owned (non-public) Hitachi subsidiary, so segment results are only visible via parent disclosure and per-customer revenue is not disclosed."
- [confirms] Hitachi High-Tech (EN, ir, published 2025-05-01) https://www.hitachi-hightech.com/global/en/company/financial-info/: "Supplies etch and metrology equipment to SK hynix."
- [confirms] Hitachi (EN, news, published 2024-11-27) https://www.hitachi.com/New/cnews/month/2024/11/241127a.html: "Supplies etch and metrology equipment to SK hynix."

### TSMC (mid)  → /tsmc.md
- note: Supplies etch/metrology tools to TSMC — logic scaling pulls metrology and isotropic-etch demand at the leading edge.
- [confirms] Hitachi (EN, filing, published 2026-04-27) https://www.hitachi.com/content/dam/hitachi/global/en/press/files/2026/04/260427/2025_An.pdf: "Hitachi FY2025 (ended Mar 2026): Measurement & Analysis (incl. semiconductor manufacturing equipment) revenue +9%, profitability improved on higher SPE sales. Hitachi High-Tech is a wholly owned (non-public) Hitachi subsidiary, so segment results are only visible via parent disclosure and per-customer revenue is not disclosed."
- [confirms] Hitachi High-Tech (EN, ir, published 2025-05-01) https://www.hitachi-hightech.com/global/en/company/financial-info/: "Supplies etch and metrology equipment to TSMC."
- [confirms] Hitachi (EN, news, published 2024-11-27) https://www.hitachi.com/New/cnews/month/2024/11/241127a.html: "Supplies etch and metrology equipment to TSMC."

Reverse side: https://valuechain.wiki/hitachi-hightech/suppliers.md · Ripple: https://valuechain.wiki/hitachi-hightech/ripple.md

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Full node: https://valuechain.wiki/hitachi-hightech.md · JSON: https://valuechain.wiki/hitachi-hightech.json