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Ryoichi Tamaki

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  • Wakayama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Additive for heating asphalt
    • Patent number 7,226,500
    • Issue date Jun 5, 2007
    • Kao Corporation
    • Yuichi Honma
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Asphalt emulsion composition
    • Patent number 6,840,991
    • Issue date Jan 11, 2005
    • Kao Corporation
    • Yuichi Honma
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Stabilizer for asphalt emulsion
    • Patent number 6,786,961
    • Issue date Sep 7, 2004
    • Kao Corporation
    • Yuichi Honma
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polyamine
    • Patent number 6,667,382
    • Issue date Dec 23, 2003
    • Kao Corporation
    • Kazuo Isobe
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Asphalt-additive composition
    • Patent number 6,261,356
    • Issue date Jul 17, 2001
    • Kao Corporation
    • Kazuo Isobe
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Nonionic emulsifier for asphalt
    • Patent number 6,114,418
    • Issue date Sep 5, 2000
    • Kao Corporation
    • Kazuo Isobe
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Liquid amine composition for emulsifiers for bitumen
    • Patent number 6,048,905
    • Issue date Apr 11, 2000
    • Kao Corporation
    • Katsuhiko Asamori
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Asphalt additive
    • Patent number 6,024,788
    • Issue date Feb 15, 2000
    • Kao Corporation
    • Keiichiro Tomioka
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Production of bituminous emulsion and liquid amine emulsifier therefor
    • Patent number 6,013,681
    • Issue date Jan 11, 2000
    • Kao Corporation
    • Katsuhiko Asamori
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Asphalt emulsion
    • Patent number 5,928,418
    • Issue date Jul 27, 1999
    • Kao Corporation
    • Ryoichi Tamaki
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Asphalt additive and asphalt composition
    • Patent number 5,721,296
    • Issue date Feb 24, 1998
    • Kao Corporation
    • Tatsuya Mizunuma
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Dispersant composition for cement
    • Patent number 4,963,190
    • Issue date Oct 16, 1990
    • Kao Corporation
    • Tatsuya Mizunuma
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Patents Applicationslast 30 patents

  • Information Patent Application

    Additive for heating asphalt
    • Publication number 20050066855
    • Publication date Mar 31, 2005
    • Yuichi Honma
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Stabilizer for asphalt emulsion
    • Publication number 20030149139
    • Publication date Aug 7, 2003
    • Yuichi Honma
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Asphalt emulsion composition
    • Publication number 20020144628
    • Publication date Oct 10, 2002
    • Yuichi Honma
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...