TREA

Yasuo Kato

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Patents Grantslast 30 patents

  • Information Patent Grant

    Permselective membrane
    • Patent number 4,695,383
    • Issue date Sep 22, 1987
    • Toyo Boseki Kabushiki Kaisha
    • Shigeji Konagaya
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polymeric whisker and production of the same
    • Patent number 4,673,724
    • Issue date Jun 16, 1987
    • Toyo Boseki Kabushiki Kaisha
    • Seiji Endoh
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Fireproof polyesters from brominated dihydroxy alkoxy-diphenyl sulf...
    • Patent number 4,104,259
    • Issue date Aug 1, 1978
    • Toyo Boseki Kabushiki Kaisha
    • Yasuo Kato
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...