# Who are Sumitomo Chemical's customers? Who does Sumitomo Chemical earn revenue from?
Canonical: https://valuechain.wiki/sumitomo-chemical · Facet: customers · Updated: 2026-07-12T03:54:59.471+00:00 · Source: ValueChain.wiki (cited money-flow graph)

**Citable summary**: Sumitomo Chemical's confirmed revenue counterparties include 삼성전자, SK하이닉스 plus 3 undisclosed/aggregate relationships. Per the valuechain.wiki graph: 5 revenue edges, backed by 5 dated sources, 2 of them primary filings (as of 2026-07-12).

### 농업·작물보호 고객 (Agro & Life) (high)
- metric: segment revenue 540,200,000,000엔 · FY2024 · IFRS segment revenue
- note: The Agro & Life Solutions segment (FY2024 revenue ¥540.2bn, core operating income ¥55.0bn) sells crop protection, fertilizers, and biorational (biological) pesticides to global agricultural customers. A key growth pillar alongside semiconductors.
- [mentions] BigGo Finance (EN, research, published 2026-05-14) https://finance.biggo.com/news/JP_4005.T_2026-05-14: "FY2026 growth is driven by semiconductors and biopesticides."
- [confirms] Sumitomo Chemical (EN, filing, published 2025-05-14) https://www.sumitomo-chem.co.jp/english/news/files/docs/20250514_1e.pdf: "Agro & Life Solutions FY2024 sales revenue ¥540.2bn (up ¥24.6bn YoY), core operating income ¥55.0bn."

### 반도체 제조사 (EUV·ArF 레지스트) (high)
- note: Supplies semiconductor photoresists across the full range from i-line to EUV. Targets a 20 percent volume share in cutting-edge EUV resists and aims for back-end (post-process) materials to generate 10 percent of total semiconductor-material sales after FY2030. Two-site supply system: Kasugade (mother plant) in Japan and Iksan in South Korea. Cumulative semiconductor-materials capex is about 100 billion yen, and it targets 100 billion yen core operating profit in ICT & Mobility Solutions by 2030.
- [confirms] Sumitomo Chemical (EN, ir, published 2026-04-09) https://www.sumitomo-chem.co.jp/english/news/detail/20260409e.html: "New Osaka EUV/ArF photoresist center by FY2027."
- [confirms] Sumitomo Chemical (EN, filing, published 2025-09-30) https://www.sumitomo-chem.co.jp/english/ir/library/annual_report/files/docs/scr2025e_18.pdf: "Target market share: 20% share by volume in cutting-edge resist. Established a two-site supply system in Japan and S.Korea (Kasugade: mother plant; South Korea/Iksan: supply site for Korean customers). We aim to generate 10% of total semiconductor material sales after FY2030."
- [confirms] Sumitomo Chemical (EN, filing, published 2025-05-14) https://www.sumitomo-chem.co.jp/english/news/files/docs/20250514_1e.pdf: "ICT & Mobility Solutions FY2024 sales revenue ¥607.0bn (up ¥19.6bn YoY), on higher shipments of semiconductor and display materials."
- [confirms] Ajunews (KO, news, published 2025-02-26) https://www.ajunews.com/view/20250226093702165: "Sumitomo Chemical will invest about ¥30bn in Korea (Iksan) and Japan plus about ¥20bn at Osaka, totaling ¥50bn, to strengthen EUV and ArF photoresist development and production."

### 디스플레이 패널 제조사 (편광필름·OLED) (high)
- note: Through its subsidiary Dongwoo Fine-Chem it supplies polarizing films, touch-sensor panels, and color resists to display panel makers. Sumitomo Chemical and Nitto Denko lead the OLED circular-polarizer market. Part of the ICT & Mobility Solutions segment.
- [confirms] Sumitomo Chemical (EN, filing, published 2025-09-30) https://www.sumitomo-chem.co.jp/english/ir/library/annual_report/files/docs/scr2025e_18.pdf: "Shipments of display-related materials such as polarizers increased."
- [confirms] Sumitomo Chemical (EN, filing, published 2025-05-14) https://www.sumitomo-chem.co.jp/english/news/files/docs/20250514_1e.pdf: "ICT & Mobility Solutions FY2024 revenue of ¥607.0bn includes display materials."

### 삼성전자 (mid)  → /samsung-electronics.md
- note: The Iksan plant in Korea supplies Korean semiconductor customers with EUV/ArF photoresists, high-purity chemicals, and back-end materials. The official integrated report names Iksan as the supply site for Korean customers, with Samsung Electronics foundry and memory as a principal target.
- [confirms] Sumitomo Chemical (EN, filing, published 2025-09-30) https://www.sumitomo-chem.co.jp/english/ir/library/annual_report/files/docs/scr2025e_18.pdf: "South Korea (Iksan): supply site for Korean customers; stable supply."
- [mentions] Ajunews (KO, news, published 2025-02-26) https://www.ajunews.com/view/20250226093702165: "Local photoresist production at Iksan responds to rising Korean semiconductor demand."

### SK하이닉스 (mid)  → /sk-hynix.md
- note: SK hynix memory lines are an inferred target of EUV/ArF photoresist and back-end (advanced packaging) material supply via the Iksan plant. The official report labels these Korean customers.
- [confirms] Sumitomo Chemical (EN, filing, published 2025-09-30) https://www.sumitomo-chem.co.jp/english/ir/library/annual_report/files/docs/scr2025e_18.pdf: "South Korea (Iksan): supply site for Korean customers; stable supply."

Reverse side: https://valuechain.wiki/sumitomo-chemical/suppliers.md · Ripple: https://valuechain.wiki/sumitomo-chemical/ripple.md

---
Full node: https://valuechain.wiki/sumitomo-chemical.md · JSON: https://valuechain.wiki/sumitomo-chemical.json