TREA

Tadayoshi Koyama

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  • Ishibashi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Isoquinoline derivatives and salts thereof
    • Patent number 5,116,985
    • Issue date May 26, 1992
    • Snow Brand Milk Products Co., Ltd.
    • Yasuyoshi Takeshita
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Alprenolol derivatives
    • Patent number 4,927,959
    • Issue date May 22, 1990
    • Snow Brand Milk Products Co., Ltd.
    • Shinichi Shimada
    • C07 - ORGANIC CHEMISTRY