Resonac
Resonac is a major in the Materials segment of the semiconductor & AI supply chain, headquartered in Minato. Its key customers include TSMC, Samsung Electronics, Intel.
Formed from Showa Denko and Hitachi Chemical; broad back-end materials line.
- Ticker
- TSE: 4004
- Headquarters
- Minato
- Founded
- 1939
- Employees
- 10,864
- Revenue
- $8.4B (FY2025) · -3.2% YoY
- Net income
- $11M
- Operating margin
- 13.9%
- Market position
- major
- Value-chain segment
- CMP Slurries, Photoresists & Chemicals
- Key products
- CMP slurries, molding compounds, copper foils
About Resonac
Resonac, headquartered in Japan, operates in the CMP Slurries and Photoresists & Chemicals segments of the semiconductor & AI supply chain and is positioned as a market major there. Its key products include CMP slurries, molding compounds, copper foils. wafergraph maps 8 tracked customers for Resonac across the value chain. It has a supply-chain criticality score of 68/100, with 237 companies downstream of it.
Resonac , formerly Showa Denko K. K. , is a Japanese chemical company producing chemical products and industrial materials. It was founded in 1939 by the merger of Nihon Electrical Industries and Showa Fertilizers, both established by a Japanese entrepreneur Nobuteru Mori.
Role in the chain
Resonac is a market major in Materials (CMP Slurries), headquartered in Japan. Formed from Showa Denko and Hitachi Chemical; broad back-end materials line.
Diligence questions
- The dataset names 8 tracked customers for Resonac. How concentrated is demand among those names, and which of them have a documented second source in this graph?
- Resonac 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?
- Resonac trades as TSE:4004. 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
- CMP slurries
- molding compounds
- copper foils
Customers
More Materials companies
Compare with
Merck KGaA (EMD Electronics) · Shin-Etsu Chemical · Daikin Industries · FUJIFILM · Entegris · DuPont
Sources
Open the interactive supply-chain view →
Cite as: wafergraph, “Resonac — supply chain, financials & market position”, https://wafergraph.com/company/resonac (data as of 2026-09-05).
Track the chain
What moved in the semiconductor supply chain — This Week in the Chain, the free weekly wafergraph briefing.
Subscribe to the free weekly briefing →
Free · no login · 615 companies, updated weekly