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Tokyo Ohka Kogyo acquires land in Fukushima to expand semiconductor material production
Wednesday, March 25, 2026 at 10:43 AM
Tokyo Ohka Kogyo (TOK) has acquired land in Fukushima Prefecture to establish a new production site for semiconductor materials. This move is part of the company's strategy to expand its manufacturing capacity for critical chipmaking chemicals like photoresists to meet growing global demand.
Context
The Japanese chemical leader Tokyo Ohka Kogyo (TOK) is significantly expanding its footprint in Fukushima to address the surging demand for advanced semiconductor materials. The company is investing over 20 billion yen to construct a new manufacturing building at its Koriyama Plant, which is slated to become the largest photoresist production facility in Japan. Construction began in mid-2024, with commercial operations scheduled to commence in the second half of 2026. This facility will focus on high-end EUV and ArF photoresists essential for the production of next-generation 2-nanometer chips.
This expansion is a core component of the company's TOK Vision 2030 strategy, which involves a record capital investment of over 60 billion yen. By transitioning the Koriyama site into an automated smart factory, the company aims to double its annual revenue to 350 billion yen by 2030. This move also strengthens the regional supply chain in the Tohoku area, which has become a strategic hub for global upstream semiconductor materials despite historical vulnerabilities to seismic activity.
Sources (10)
Notice regarding Construction of New Manufacturing Building in Koriyama Plant | TOKYO OHKA KOGYO CO., LTD.Japan materials suppliers gear up to tap demand for 2-nm chips - Nikkei AsiaAI chip boom to drive sales surge for TOK's ArF and EUV photoresistsJapan Flexes Its Advantages in Semiconductor Upstream Equipment and Raw Materials, and Unveils Strategic Progress of Key Players in Kyushu, Tohoku, and Hokkaido, Says TrendForceNew Japanese Facilities Roll for IC Materials | AEIIndia Data Collection Survey on the Indo-Japan ...Fukushima earthquake hits automotive and semiconductor supply chains | News | Automotive LogisticsJapan’s economic revitalization requires nuclear energy - Atlantic Council
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