HISTORY

沿革・歴史

  • Riken Corundum Co., Ltd. established

    On December 7, 1935, based on the abrasive material developed at RIKEN, RIKEN Corundum Co., Ltd. was established in the same laboratory for domestic production of abrasive materials. (Komagome, Hongo-ku, Tokyo)

  • Oji factory completed

    Oji factory completed in Kita-ku, Tokyo, moved from RIKEN

    • 王子工場

      Oji factory

    • 王子工場

      Oji factory

    • 王子工場

      Oji factory

  • Numata factory construction

    Acquired the mining right of the Garnet mining area of ​​Kawaba village in Gunma prefecture, and built Numata factory.

    • 王子工場

      Numata Factory

    • 王子工場

      Numata Factory

    • 王子工場

      Sand factory

    • ガーネット

      garnet

    • ガーネット

      Crushed stone

  • Electrostatic coating equipment completed

    Electrostatic coating equipment completed. (Patent: Receiving the incentive for Industrial Technology Institute)

  • Special precision abrasive paper production facility completed

    We obtained research grant from MITI, completed special precision abrasive paper production facility

  • Complete production equipment of wide belt is completed company building

    Completed integrated manufacturing equipment for wide belts at the Oji factory

  • Listed on the second section of the Tokyo Stock Exchange

    The stock is listed on the Tokyo Stock Exchange second part

  • Constructed Konosu factory in Konosu City, Saitama Prefecture

    Constructed the Konosu factory in Konosu City, Saitama Prefecture

    • 鴻巣工場

      Konosu factory

    • 鴻巣工場

      Konosu factory

  • RIKEN Norton Co., Ltd. established as a joint venture

    Technical tie-up with Norton USA Inc., established a joint venture Riken Norton Co., Ltd.

  • The first domestic production of zirconia products successfully started manufacturing and sales

    Succeeded in domestic production of zirconia products for the first time, started manufacturing and selling

  • Company name changed to RIKEN Co., Ltd.

    RIKEN Norton Co., Ltd. became a wholly-owned subsidiary and changed its name to RIKEN

  • Merging RIKEN CORPORATION into RIKEN Corundum Corporation

    RIKEN Co., Ltd. was merged with RIKEN Corundum Corporation

  • Construction of "RIKEN Kamiya Building" in the site of the Oji factory
    Eliminate technical alliance with Norton USA

    Constructed "RIKEN Kamiya Building" in the site of Oji Plant and now lease to AEON RETAIL Co., Ltd.

    Resolved technical partnership with Norton USA

  • Construction of the Niiharu factory in Niiharu village, Tone-gun, Gunma prefecture

    Construction of the Niiharu factory in Niiharu village, Tone-gun, Gunma prefecture

  • Establishment of Zibo Riken Taishan Painting Fixture Co., Ltd.
    RIKEN Precision Equipment (Suzhou) Co., Ltd. established

    Established "Zibo Riken Taishan Painting Fixture Co., Ltd.", a manufacturing and sales company of abrasive cloth paper manufacturing and sales in Shandong Province, China.
    Established "RIKEN Precision Equipment (Suzhou) Co., Ltd." in Jiangsu Province, China, a subsidiary manufacturing and selling OA equipment parts and others.

  • Acquired ISO 9001 certification

    Acquired ISO 9001 certification.

  • Acquired ISO 14001 certification.

    Acquired ISO 14001 certification.

  • RIKEN Hong Kong Co., Ltd. established

    Established RIKEN Hong Kong Co., Ltd. (Hong Kong, People's Republic of China), a sales subsidiary of OA equipment and others.
    Acquired shares of a manufacturing and selling company such as abrasive cloth paper "Koukan Co., Ltd." (Shiroka Town, Saitama Prefecture, Minami Saitama district), making it a subsidiary.

  • Los Angeles branch opened

    Opened the Los Angeles branch in the United States.

  • Expansion of Konosu factory new processing plant building

    Expansion of Konosu factory new processing plant building

  • Capital and business alliance with Okamoto Corporation

    Perform a capital and business alliance with Okamoto Corporation

  • 80th anniversary commemoration event held

    The 80th anniversary commemoration event was held at Konosu factory

    • 行事の様子

      State of the event

  • Northern Japan business office opened
    Become a subsidiary of Okamoto Corporation

    Relocate Tokyo branch to Taito-ku, Tokyo, relocate Nagoya branch to East District of Nagoya-shi, Aichi prefecture
    Northern Japan office opened.
    Become a subsidiary of Okamoto Corporation.

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