# Who are Advantest's customers? Who does Advantest earn revenue from?
Canonical: https://valuechain.wiki/advantest · Facet: customers · Updated: 2026-07-12T06:14:35.396+00:00 · Source: ValueChain.wiki (cited money-flow graph)

**Citable summary**: Advantest's confirmed revenue counterparties include SK하이닉스, KYEC, 삼성전자 plus 8 undisclosed/aggregate relationships. Per the valuechain.wiki graph: 11 revenue edges, backed by 17 dated sources, 2 of them primary filings (as of 2026-07-12).

### SK하이닉스 (high)  → /sk-hynix.md
- metric: Market share 58% · 2024 · global ATE share
- note: Supplies ATE to SK hynix — the core tool for HBM test, where the HBM capacity ramp is Advantest demand.
- [mentions] Analyst analysis (EN, research, published 2026-05-01) https://note.com/proper_spirea854/n/n3ea958440bde: "AI-test leader — FY2027 guidance revenue JPY 1,420bn (+25.8%), operating profit JPY 627.5bn (+25.7%)."
- [confirms] Advantest (EN, filing, published 2026-04-28) https://www.advantest.com/en/news/2026/a81o6o0000000hgw-att/E_FR_FY2025_FN.pdf: "Advantest FY2026 revenue JPY 1,128.6bn (+44.7%), operating profit JPY 499.1bn (44.2% margin); HPC/AI mix rose 60%→90% on AI/datacenter test demand. Supplies HBM3e·HBM4 메모리 테스터 to SK하이닉스."
- [confirms] AlphaBiz (KO, news, published 2025-09-01) https://alphabiz.co.kr/news/view/1065571888915355: "Dominant HBM tester tech; SK hynix and others."
- [confirms] Advantest / EDINET (JA, filing, published 2025-06-20) https://irbank.net/E01950/edinet: "Annual Securities Report: ATE revenue and chipmaker customers."
- [confirms] Advantest (EN, ir, published 2025-06-01) https://www.advantest.com/document/en/investors/ir-library/annual/E_02_IAR2025.pdf: "Annual report: ATE revenue and customers."
- [confirms] Mordor (EN, analysis, published 2025-01-01) https://www.mordorintelligence.com/industry-reports/semiconductor-test-equipment-market: "No.1 in test equipment at ~58%."

### KYEC (high)  → /kyec.md
- note: Supplies test equipment (ATE) to KYEC.
- [confirms] Advantest (EN, filing, published 2026-04-28) https://www.advantest.com/en/news/2026/a81o6o0000000hgw-att/E_FR_FY2025_FN.pdf: "Advantest FY2026 revenue JPY 1,128.6bn (+44.7%), operating profit JPY 499.1bn (44.2% margin); HPC/AI mix rose 60%→90% on AI/datacenter test demand. Supplies SoC 테스터(위탁 테스트) to KYEC."
- [confirms] KYEC (EN, ir, published 2025-05-01) https://www.kyec.com.tw/en/: "Supplies test equipment (ATE) to KYEC."
- [confirms] Mordor (EN, analysis, published 2025-01-01) https://www.mordorintelligence.com/industry-reports/osat-market/companies: "Supplies test equipment (ATE) to KYEC."

### 삼성전자 (high)  → /samsung-electronics.md
- note: Supplies semiconductor test equipment (ATE) to Samsung Electronics.
- [confirms] Advantest (EN, filing, published 2026-04-28) https://www.advantest.com/en/news/2026/a81o6o0000000hgw-att/E_FR_FY2025_FN.pdf: "Advantest FY2026 revenue JPY 1,128.6bn (+44.7%), operating profit JPY 499.1bn (44.2% margin); HPC/AI mix rose 60%→90% on AI/datacenter test demand. Supplies 메모리·SoC 테스터 to 삼성전자."
- [confirms] AlphaBiz (KO, news, published 2025-09-01) https://alphabiz.co.kr/news/view/1065571888915355: "Dominant HBM tester tech; SK hynix and others."
- [confirms] Advantest (EN, ir, published 2025-06-01) https://www.advantest.com/document/en/investors/ir-library/annual/E_02_IAR2025.pdf: "Annual report: ATE revenue and customers."
- [confirms] Mordor (EN, analysis, published 2025-01-01) https://www.mordorintelligence.com/industry-reports/semiconductor-test-equipment-market: "No.1 in test equipment at ~58%."

### TSMC (high)  → /tsmc.md
- note: Supplies test equipment (ATE) to TSMC.
- [confirms] Advantest (EN, filing, published 2026-04-28) https://www.advantest.com/en/news/2026/a81o6o0000000hgw-att/E_FR_FY2025_FN.pdf: "Advantest FY2026 revenue JPY 1,128.6bn (+44.7%), operating profit JPY 499.1bn (44.2% margin); HPC/AI mix rose 60%→90% on AI/datacenter test demand. Supplies 첨단 SoC 테스터 to TSMC."
- [confirms] AlphaBiz (KO, news, published 2025-09-01) https://alphabiz.co.kr/news/view/1065571888915355: "Dominant HBM tester tech; SK hynix and others."
- [confirms] Advantest (EN, ir, published 2025-06-01) https://www.advantest.com/document/en/investors/ir-library/annual/E_02_IAR2025.pdf: "Annual report: ATE revenue and customers."
- [confirms] Mordor (EN, analysis, published 2025-01-01) https://www.mordorintelligence.com/industry-reports/semiconductor-test-equipment-market: "No.1 in test equipment at ~58%."

### 키옥시아 (mid)  → /kioxia.md
- note: Supplies NAND production equipment and wafers to Kioxia.
- [confirms] Advantest (EN, filing, published 2026-04-28) https://www.advantest.com/en/news/2026/a81o6o0000000hgw-att/E_FR_FY2025_FN.pdf: "Advantest FY2026 revenue JPY 1,128.6bn (+44.7%), operating profit JPY 499.1bn (44.2% margin); HPC/AI mix rose 60%→90% on AI/datacenter test demand. Supplies NAND 테스터 to 키옥시아."
- [confirms] News1 (KO, news, published 2025-11-01) https://www.news1.kr/industry/general-industry/5997227: "Supplies NAND fab equipment and wafers to Kioxia."
- [confirms] Kioxia (EN, ir, published 2025-05-01) https://www.kioxia.com/en-jp/ir.html: "Supplies NAND fab equipment and wafers to Kioxia."

### 파워텍 (PTI) (mid)  → /powertech.md
- note: Supplies test and bonding equipment to Powertech (PTI).
- [confirms] TrendForce (EN, analysis, published 2025-05-13) https://www.trendforce.com/presscenter/news/20250513-12577.html: "Supplies test and bonding equipment to Powertech Technology (PTI)."
- [confirms] PTI (EN, ir, published 2025-05-01) https://www.pti.com.tw/en/: "Supplies test and bonding equipment to Powertech Technology (PTI)."

### Micron Technology (mid)  → /micron.md
- note: Supplies test equipment (ATE) to Micron Technology.
- [confirms] Advantest (EN, filing, published 2026-04-28) https://www.advantest.com/en/news/2026/a81o6o0000000hgw-att/E_FR_FY2025_FN.pdf: "Advantest FY2026 revenue JPY 1,128.6bn (+44.7%), operating profit JPY 499.1bn (44.2% margin); HPC/AI mix rose 60%→90% on AI/datacenter test demand. Supplies 메모리 테스터 to Micron."
- [confirms] AlphaBiz (KO, news, published 2025-09-01) https://alphabiz.co.kr/news/view/1065571888915355: "Dominant HBM tester tech; SK hynix and others."
- [confirms] Advantest (EN, ir, published 2025-06-01) https://www.advantest.com/document/en/investors/ir-library/annual/E_02_IAR2025.pdf: "Annual report: ATE revenue and customers."
- [confirms] Mordor (EN, analysis, published 2025-01-01) https://www.mordorintelligence.com/industry-reports/semiconductor-test-equipment-market: "No.1 in test equipment at ~58%."

### JCET (mid)  → /jcet.md
- note: Supplies bonding and test equipment to JCET.
- [confirms] TrendForce (EN, analysis, published 2025-05-13) https://www.trendforce.com/presscenter/news/20250513-12577.html: "Supplies bonding and test equipment to JCET."
- [confirms] JCET (EN, ir, published 2025-05-01) https://www.jcetglobal.com/en/: "Supplies bonding and test equipment to JCET."

### NVIDIA (mid)  → /nvidia.md
- note: ATE used to test NVIDIA AI chips (GPUs) — rising AI-chip complexity lifts test needs.
- [confirms] Advantest (EN, filing, published 2026-04-28) https://www.advantest.com/en/news/2026/a81o6o0000000hgw-att/E_FR_FY2025_FN.pdf: "Advantest FY2026 revenue JPY 1,128.6bn (+44.7%), operating profit JPY 499.1bn (44.2% margin); HPC/AI mix rose 60%→90% on AI/datacenter test demand. Supplies AI GPU용 SoC 테스터 to NVIDIA."
- [confirms] AlphaBiz (KO, news, published 2025-09-01) https://alphabiz.co.kr/news/view/1065571888915355: "Dominant HBM tester tech; SK hynix and others."
- [confirms] Advantest (EN, ir, published 2025-06-01) https://www.advantest.com/document/en/investors/ir-library/annual/E_02_IAR2025.pdf: "Annual report: ATE revenue and customers."
- [confirms] Mordor (EN, analysis, published 2025-01-01) https://www.mordorintelligence.com/industry-reports/semiconductor-test-equipment-market: "No.1 in test equipment at ~58%."
- [confirms] TrendForce (EN, news, published 2024-12-27) https://www.trendforce.com/news/2024/12/27/newsnvidia-supplier-advantest-ai-phones-may-sustain-chip-industry-amid-declining-data-center-investment/: "Advantest is the world's leading semiconductor test equipment maker and a key supplier to NVIDIA."

### 하나마이크론 (low)  → /hana-micron.md
- note: Supplies bonding and test equipment to Hana Micron.
- [confirms] Daum News (KO, news, published 2026-06-17) https://v.daum.net/v/20260617203416105: "Supplies bonding and test equipment to Hana Micron."
- [confirms] Hana Micron (EN, ir, published 2025-05-01) https://www.hanamicron.co.kr/eng/: "Supplies bonding and test equipment to Hana Micron."

### SFA반도체 (low)  → /sfa-semicon.md
- note: Supplies test equipment to SFA Semiconductor.
- [confirms] Daum News (KO, news, published 2026-06-17) https://v.daum.net/v/20260617203416105: "Supplies test equipment to SFA Semicon."
- [confirms] SFA Semicon (EN, ir, published 2025-05-01) https://www.sfas.co.kr/eng/: "Supplies test equipment to SFA Semicon."

Reverse side: https://valuechain.wiki/advantest/suppliers.md · Ripple: https://valuechain.wiki/advantest/ripple.md

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