TREA

Akitada Osako

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  • Otsu, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Phosphorus-containing polyesters
    • Patent number 4,157,436
    • Issue date Jun 5, 1979
    • Toyo Boseki Kabushiki Kaisha
    • Seiji Endo
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Phosphorus-containing compounds
    • Patent number 4,127,590
    • Issue date Nov 28, 1978
    • Toyo Boseki Kabushiki Kaisha
    • Seiji Endo
    • C07 - ORGANIC CHEMISTRY