TOKYO OHKA KOGYO CO., LTD. (TOK) provides chemical products, such as photoresist, and equipment for semiconductors and displays.

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New Business Field


Under the “Challenge for the Future!” slogan, TOK has set up the New Business Development Dept. combined sales and technical division.
TOK offers unique and high value-added materials ,using our functional polymer design/manufacturing technologies cultivated in photolithography field, through open innovation with our customers and third parties.

For your technology needs, TOK offers high value-added materials which cultivated by our technology and know-how.

Structure Materials

Surface Modification Materials

Microprocessing Film

mmWave Absorber

High Heat Resistance and High Transparency Polyimide Film