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Akira Saito

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  • Matsudo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Plastic lens and production process thereof
    • Patent number 5,777,000
    • Issue date Jul 7, 1998
    • Kureha Kagaku Kogyo Kabushiki Kaisha
    • Teruo Sakagami
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Spirooxazine photochromic compounds
    • Patent number 5,017,698
    • Issue date May 21, 1991
    • Kureha Kagaku Kogyo Kabushiki Kaisha
    • Katsuichi Machida
    • C07 - ORGANIC CHEMISTRY