TREA

Tuneo Okonogi

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  • Yokohama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Cephalosporin compounds
    • Patent number 4,393,058
    • Issue date Jul 12, 1983
    • Meiji Seika Kaisha, Ltd.
    • Osamu Makabe
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Penicillin compounds
    • Patent number 4,331,597
    • Issue date May 25, 1982
    • Meiji Seika Kaisha, Ltd.
    • Osamu Makabe
    • C07 - ORGANIC CHEMISTRY