TREA

Yukio Ohbuchi

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  • Yokohama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Polyurethane elastomer
    • Patent number 5,071,887
    • Issue date Dec 10, 1991
    • Nippon Polyurethane Industry Co., Ltd.
    • Shigeru Nakagawa
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Thermoplastic polyurethane resin from p-phenylene diisocyanate, a p...
    • Patent number 5,066,762
    • Issue date Nov 19, 1991
    • Nippon Polyurethane Industry Co., Ltd.
    • Yukio Ohbuchi
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Thermosetting urethane elastomer
    • Patent number 5,021,534
    • Issue date Jun 4, 1991
    • Nippon Polyurethane Industry Co., Ltd.
    • Masahiro Kawasaki
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...