TREA

Hiroshi Namikawa

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Process for the production of glass
    • Patent number 4,828,594
    • Issue date May 9, 1989
    • Japan Oxygen Co., Ltd.
    • Hiroshi Morishita
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    Reversibly photosensitive glass
    • Patent number 4,194,916
    • Issue date Mar 25, 1980
    • Agency of Industrial Science & Technology, Ministry of International Trade &...
    • Ken Kumata
    • C03 - GLASS MINERAL OR SLAG WOOL