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NORIO YANAGISAWA

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  • YOKKAICHI-SHI, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Process for producing polyhydroxycarboxylic acid
    • Patent number 5,952,455
    • Issue date Sep 14, 1999
    • Kyowa Hakko Kogyo Co., Ltd.
    • Norio Yanagisawa
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for producing polyhydroxycarboxlic acid
    • Patent number 5,883,222
    • Issue date Mar 16, 1999
    • Kyowa Hakko Kogyo Co., Ltd.
    • Norio Yanagisawa
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents