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Ritsuo Iwata

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  • Hamamatsu-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Adhesives
    • Patent number 7,074,844
    • Issue date Jul 11, 2006
    • Yamaha Corporation
    • Ritsuo Iwata
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Method for manufacturing ligneous material
    • Patent number 6,723,766
    • Issue date Apr 20, 2004
    • Yamaha Corporation
    • Yoshihiro Hirano
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    Modifying method for wood elements
    • Patent number 6,632,326
    • Issue date Oct 14, 2003
    • Yamaha Corporation
    • Yoshihiro Hirano
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Wooden material and manufacturing method therefor
    • Patent number 6,602,451
    • Issue date Aug 5, 2003
    • Forestry and Forest Product Research Institute
    • Hideaki Korai
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Wood fiberboard and manufacturing method therefor
    • Patent number 6,376,582
    • Issue date Apr 23, 2002
    • Yamaha Corporation
    • Ritsuo Iwata
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    Manufacturing method for a wood board
    • Patent number 6,129,871
    • Issue date Oct 10, 2000
    • Yamaha Corporation
    • Satoshi Suzuki
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    Wood board and a flooring material made therefrom
    • Patent number 5,736,218
    • Issue date Apr 7, 1998
    • Yamaha Corporation
    • Ritsuo Iwata
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    Method of manufacturing wood based panels
    • Patent number 5,705,001
    • Issue date Jan 6, 1998
    • Yamaha Corporation
    • Ritsuo Iwata
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    Wood board and flooring material
    • Patent number 5,554,429
    • Issue date Sep 10, 1996
    • Yamaha Corporation
    • Ritsuo Iwata
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    Wood board and a flooring material made therefrom
    • Patent number 5,506,026
    • Issue date Apr 9, 1996
    • Yamaha Corporation
    • Ritsuo Iwata
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    Wood based panels
    • Patent number 5,422,170
    • Issue date Jun 6, 1995
    • Yamaha Corporation
    • Ritsuo Iwata
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    Automatic method and apparatus for scattering wood pieces in produc...
    • Patent number 5,058,777
    • Issue date Oct 22, 1991
    • Yamaha Corporation
    • Kaneo Omoto
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Method for producing a wooden decorative article
    • Patent number 4,963,214
    • Issue date Oct 16, 1990
    • Yamaha Corporation
    • Ritsuo Iwata
    • B32 - LAYERED PRODUCTS
  • Information Patent Grant

    Decorative sheet and method of manufacturing the same
    • Patent number 4,911,969
    • Issue date Mar 27, 1990
    • Yamaha Corporation
    • Tomohide Ogata
    • B44 - DECORATIVE ARTS

Patents Applicationslast 30 patents

  • Information Patent Application

    CURING AGENT COMPOSITION FOR EPOXY RESIN ADHESIVE FOR POROUS MATERIAL
    • Publication number 20130123390
    • Publication date May 16, 2013
    • YAMAHA CORPORATION
    • Katsunori Suzuki
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    Adhesives
    • Publication number 20030204010
    • Publication date Oct 30, 2003
    • Ritsuo Iwata
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Adhesives
    • Publication number 20010031819
    • Publication date Oct 18, 2001
    • Ritsuo Iwata
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...