Ohara Inc.
Ohara Inc. is a major in the Materials segment of the semiconductor & AI supply chain, headquartered in Kanagawa Prefecture.
Japanese optical and electronic glass maker; supplies low-expansion glass-ceramics and quartz glass for semiconductor exposure equipment and photomask substrates.
- Ticker
- TSE: 5218
- Headquarters
- Kanagawa Prefecture
- Founded
- 1941
- Revenue
- $184M (FY2025) · +100.0% YoY
- Net income
- $11M
- Operating margin
- 9.5%
- Market position
- major
- Value-chain segment
- Photomasks & Mask Blanks
- Key products
- CLEARCERAM-Z low-expansion glass-ceramics (exposure equipment), Polished photomask/optical substrate glass, Quartz glass
About Ohara Inc.
Ohara Inc., headquartered in Japan, operates in the Photomasks & Mask Blanks segment of the semiconductor & AI supply chain and is positioned as a market major there. Its key products include CLEARCERAM-Z low-expansion glass-ceramics (exposure equipment), Polished photomask/optical substrate glass, Quartz glass.
Ohara Inc. is a Japanese global glass manufacturing company. It is headquartered in Sagamihara with subsidiaries in a number of countries, including Japan, the United States, Germany, Hong Kong, Malaysia, Taiwan, and China, with Ohara Corporation being the U.S. subsidiary of the Ohara Group. Ohara manufactures glasses since 1935, the year of its founding.
Role in the chain
Ohara Inc. is a market major in Materials (Photomasks & Mask Blanks), headquartered in Japan. Japanese optical and electronic glass maker; supplies low-expansion glass-ceramics and quartz glass for semiconductor exposure equipment and photomask substrates.
Diligence questions
- Ohara Inc. 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?
- Ohara Inc. trades as TSE:5218. 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
- CLEARCERAM-Z low-expansion glass-ceramics (exposure equipment)
- Polished photomask/optical substrate glass
- Quartz glass
More Materials companies
Sources
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Cite as: wafergraph, “Ohara Inc. — supply chain, financials & market position”, https://wafergraph.com/company/ohara (data as of 2026-10-04).
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