TREA

Haruhiko Narusawa

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  • Ohtsu, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Magnetic recording medium comprising magnetic particles and a speci...
    • Patent number 5,415,941
    • Issue date May 16, 1995
    • Toyo Boseki Kabushiki Kaisha
    • Yasunobu Sugyo
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Polyurethane resin composition
    • Patent number 5,278,275
    • Issue date Jan 11, 1994
    • Toyo Boseki Kabushiki Kaisha
    • Takeshi Yatsuka
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Ultra-high-molecular-weight polyesters
    • Patent number 4,742,151
    • Issue date May 3, 1988
    • Toyo Boseki Kabushiki Kaisha
    • Susumu Tate
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • 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-...