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

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Network

Corporate Information

Our offices and sites in Japan and overseas provide

TOK's microprocess technology to our customers.

Sites Overseas

TOKYO OHKA KOGYO AMERICA, INC.

TOKYO OHKA KOGYO EUROPE B.V.

TOK TAIWAN CO., LTD.

CHANG CHUN TOK (CHANGSHU) CO., LTD.

TOK Advanced Materials Co., Ltd.

TOKYO OHKA KOGYO CO., LTD.
Singapore Branch

TOKYO OHKA KOGYO CO., LTD.
Shanghai Representative Office

TOKYO OHKA KOGYO AMERICA, INC.

  • Headquarters / Oregon Plant
    Headquarters / Oregon Plant

    4600 NE Brookwood Parkway, Hillsboro Oregon 97124, U.S.A.

    TEL. +1-503-693-7711
    FAX. +1-503-693-2070
    http://www.tokamerica.com/

    The Oregon Plant of TOKYO OHKA KOGYO AMERICA, INC., located in Hillsboro, Oregon, produces i-line semiconductor photoresists and high-purity chemical agents used mainly in photolithography processes in the field of semiconductors.
    This plant plays an extremely important part, serving as the supply hub of semiconductor photoresists and high-purity chemical agents for the costomers in United States and Europe.

  • Corporate Sales Office

    190 Topaz Street, Milpitas, California 95035, U.S.A.

    TEL. +1-408-956-9901
    FAX. +1-408-956-9995

TOKYO OHKA KOGYO EUROPE B.V.

  • Headquarters
    Headquarters

    Databankweg 12B, 3821AL Amersfoort, The NETHERLANDS

    TEL. +31-33-4543522
    FAX. +31-33-4519646
    http://www.tok-europe.eu/

    TOKYO OHKA KOGYO EUROPE B.V. (Amersfoort, The Netherlands) performs sales of semiconductor photoresists and high-purity chemical agents used mainly in photolithography processes in the field of semiconductors in the European region.

TOK TAIWAN CO., LTD.

  • Headquarters

    4F., No.95, Beida Rd., East Dist., Hsinchu City 30044, TAIWAN

    TEL. +886-3-5345953
    FAX. +886-3-5350178

  • Miaoli Plant
    Miaoli Plant

    No.252, Wunshan, 21st Neighborhood, Wunsheng Village, Miaoli City 36061, TAIWAN

    TEL. +886-37-367918
    FAX. +886-37-367919

  • Tongluo Plant
    Tongluo Plant

    No.1, Tongke 1st Rd.,Tongluo Township, Miaoli Conuty 36645, TAIWAN

    TEL. +886-37-987390
    FAX. +886-37-981007

    TOK TAIWAN CO., LTD. is engaged in the manufacture and sales of photoresists used to manufacture semiconductors, and high purity chemicals used in photolithography processes in the fields of semiconductors, flat panel displays and package modules, and sales of equipment used to manufacture semiconductors and flat panel displays.

CHANG CHUN TOK (CHANGSHU) CO., LTD.

  • Headquarters / Changshu Plant
    Headquarters / Changshu Plant

    Changchun Road, Riverside Industrial Park,
    Changshu Economic Development Zone,
    Jiangsu Province 215537, CHINA

    TEL. +86-512-5264-8000
    FAX. +86-512-5264-5729

    CHANG CHUN TOK manufactures and supplies high-purity chemical agents used mainly in photolithography processes in the fields of semiconductors and flat panel displays.

TOK Advanced Materials Co., Ltd.

  • Headquarters / Incheon Plant (Incheon, Korea)
    Headquarters / Incheon Plant (Incheon, Korea)

    45、Cheomdan-Daero 60Beon-Gil、Yeonsu-Gu、Incheon、KOREA

    TEL. +82-32-850-2000
    FAX. +82-32-850-2100
    http://www.tokam.co.kr/

    TOK Advanced Materials Co., Ltd. develops, Manufactures, and sells photoresists for semiconductors and sells photoresist-related high-purity chemicals.

TOKYO OHKA KOGYO CO., LTD. Singapore Branch

  • Singapore Branch
    Singapore Branch

    8 Shenton Way, #14-01A, SINGAPORE 068811

    TEL. +65-62261485
    FAX. +65-62261893

    It is the mission of the Singapore Branch to obtain a firm grasp of the wants and needs of users, provide them with detailed information matching those wants and needs in the fields of semiconductors and liquid crystal displays in the areas of Singapore and Malaysia.

TOKYO OHKA KOGYO CO., LTD. Shanghai Representative Office

  • Shanghai Representative Office
    Shanghai Representative Office

    1511, China Merchants Tower, 161 Lu Jia Zui East Road, Pu Dong Xin Qu, Shanghai 200120, CHINA

    TEL. +86-21-5840-8800
    FAX. +86-21-5840-8884

    It will be the mission of the Shanghai Representative Office to obtain a firm grasp of the wants and needs of users, provide them with detailed information matching those wants and needs in the fields of semiconductors and liquid crystal displays in the areas of Shanghai, Beijing, and Guangdong.

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