TREA

Hisayuki Kayanoki

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Plastic lens
    • Patent number 5,496,641
    • Issue date Mar 5, 1996
    • Nippon Sheet Glass Co., Ltd.
    • Shoji Mase
    • G02 - OPTICS
  • Information Patent Grant

    Optical material and composition for optical material
    • Patent number 5,171,806
    • Issue date Dec 15, 1992
    • Nippon Sheet Glass Co., Ltd.
    • Hisayuki Kayanoki
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Light control sheets
    • Patent number 5,108,857
    • Issue date Apr 28, 1992
    • Sumitomo Chemical Company, Limited
    • Shinichiro Kitayama
    • G02 - OPTICS
  • Information Patent Grant

    Light control sheets
    • Patent number 4,929,523
    • Issue date May 29, 1990
    • Sumitomo Chemical Company Limited
    • Shinichiro Kitayama
    • G02 - OPTICS

Patents Applicationslast 30 patents