TREA

Teruhisa Koyama

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Patents Grantslast 30 patents

  • Information Patent Grant

    Methacrylate resin composition
    • Patent number 5,324,781
    • Issue date Jun 28, 1994
    • Sumitomo Chemical Co., Ltd.
    • Shinji Date
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Thermoplastic resin composition
    • Patent number 5,248,725
    • Issue date Sep 28, 1993
    • Sumitomo Chemical Company, Limited
    • Teruhisa Koyama
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Methacrylic resin composition
    • Patent number 5,236,911
    • Issue date Aug 17, 1993
    • Sumitomo Chemical Company, Limited
    • Teruhisa Koyama
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Thermoplastic resin composition
    • Patent number 5,157,062
    • Issue date Oct 20, 1992
    • Sumitomo Chemical Company, Limited
    • Teruhisa Koyama
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Thermoplastic olefin resin composition
    • Patent number 5,081,186
    • Issue date Jan 14, 1992
    • Sumitomo Chemical Company, Limited
    • Tatsuyuki Mitsuno
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Thermoplastic copolymer
    • Patent number 4,965,321
    • Issue date Oct 23, 1990
    • Sumitomo Chemical Co., Ltd.
    • Masahiro Yuyama
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polypropylene resin composition containing filler
    • Patent number 4,686,257
    • Issue date Aug 11, 1987
    • Sumitomo Chemical Company, Limited
    • Tatsuyuki Mitsuno
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polypropylene resin composition comprising talc having specified av...
    • Patent number 4,604,421
    • Issue date Aug 5, 1986
    • Sumitomo Chemical Company, Limited
    • Tatsuyuki Mitsuno
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for producing copolymerized resins
    • Patent number 4,228,266
    • Issue date Oct 14, 1980
    • Sumitomo Chemical Company, Limited
    • Ken-ichi Kudo
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for producing copolymerized resins
    • Patent number 4,129,557
    • Issue date Dec 12, 1978
    • Sumitomo Chemical Company, Limited
    • Ken-ichi Kudo
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...