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
- $8.2B (FY2025) · -3.2% YoY
- Net income
- $11M
- Operating margin
- 7.2%
- 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.
Key products
- CMP slurries
- molding compounds
- copper foils