Tosoh
Tosoh is a major in the Materials segment of the semiconductor & AI supply chain, headquartered in Tokyo. Its key customers include TSMC, Samsung Electronics, Intel.
Supplies sputtering targets and quartzware for fabs.
- Ticker
- TSE: 4042
- Headquarters
- Tokyo
- Founded
- 1935
- Revenue
- $6.2B (FY2026) · -4.1% YoY
- Net income
- $254M
- Operating margin
- 9.7%
- Market position
- major
- Value-chain segment
- Sputtering Targets
- Key products
- sputtering targets, quartz
About Tosoh
Tosoh, headquartered in Japan, operates in the Sputtering Targets segment of the semiconductor & AI supply chain and is positioned as a market major there. Its key products include sputtering targets, quartz. wafergraph maps 8 tracked customers for Tosoh across the value chain. It has a supply-chain criticality score of 71/100, with 251 companies downstream of it.
Tosoh Corporation is a global chemical and specialty materials company. The company was founded in 1935 in Yamaguchi Prefecture, as Toyo Soda Manufacturing Co., Ltd., and changed its name to Tosoh Corporation in 1987. Today, its corporate headquarters are in Tokyo, Japan.
Key products
- sputtering targets
- quartz