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Akihiko Hamada

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Patents Grantslast 30 patents

  • Information Patent Grant

    Deproteinizing agent, deproteinized natural rubber latex using the...
    • Patent number 7,015,264
    • Issue date Mar 21, 2006
    • Sumitomo Rubber Industries, Ldt.
    • Naoya Ichikawa
    • C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
  • Information Patent Grant

    Puncture sealing agent for a tire, and process for producing the same
    • Patent number 6,864,305
    • Issue date Mar 8, 2005
    • Sumitomo Rubber Industries, Ltd.
    • Masahiro Kishida
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Cationic graft-modified natural rubber latex
    • Patent number 6,512,034
    • Issue date Jan 28, 2003
    • Sumitomo Rubber Industries, Ltd.
    • Akihiko Hamada
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Cationic deproteinized natural rubber latex, method of preparing th...
    • Patent number 6,462,159
    • Issue date Oct 8, 2002
    • Sumitomo Rubber Industries, Ltd.
    • Akihiko Hamada
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Puncture sealing agent
    • Patent number 6,344,499
    • Issue date Feb 5, 2002
    • Sumitomo Rubber Industries, Ltd.
    • Kazuhiko Kawamura
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Solid golf ball
    • Patent number 6,277,924
    • Issue date Aug 21, 2001
    • Sumitomo Rubber Industries, Ltd.
    • Akihiko Hamada
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Deproteinizing agent and method of preparing cationic deproteinized...
    • Patent number 6,265,479
    • Issue date Jul 24, 2001
    • Sumitomo Rubber Industries, Ltd.
    • Naoya Ichikawa
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Coated golf ball
    • Patent number 6,255,382
    • Issue date Jul 3, 2001
    • Sumitomo Rubber Industries, Ltd.
    • Akihiko Hamada
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Puncture sealing agent
    • Patent number 6,063,837
    • Issue date May 16, 2000
    • Sumitomo Rubber Industries, Ltd.
    • Kazuhiko Kawamura
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Rubber composition for grips of articles containing EPDM and grip m...
    • Patent number 5,981,649
    • Issue date Nov 9, 1999
    • Sumitomo Rubber Industries, Ltd.
    • Hidenori Hiraoka
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Multi-piece solid golf ball
    • Patent number 5,967,907
    • Issue date Oct 19, 1999
    • Sumitomo Rubber Industries, Ltd.
    • Kohei Takemura
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Thread rubber for golf balls
    • Patent number 5,861,465
    • Issue date Jan 19, 1999
    • Sumitomo Rubber Industries, Ltd.
    • Akihiko Hamada
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Thread wound golf ball
    • Patent number 5,849,392
    • Issue date Dec 15, 1998
    • Sumitomo Rubber Industries, Ltd.
    • Akihiko Hamada
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Golf ball
    • Patent number 5,833,552
    • Issue date Nov 10, 1998
    • Sumitomo Rubber Industries, Ltd.
    • Akihiko Hamada
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Wound golf ball and rubber thread therefore
    • Patent number 5,816,939
    • Issue date Oct 6, 1998
    • Sumitomo Rubber Industries, Ltd.
    • Akihiko Hamada
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Golf ball
    • Patent number 5,679,745
    • Issue date Oct 21, 1997
    • Sumitomo Rubber Industries, Ltd.
    • Akihiko Hamada
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Golf ball
    • Patent number 5,625,003
    • Issue date Apr 29, 1997
    • Sumitomo Rubber Industries, Ltd.
    • Akira Kato
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Golf ball
    • Patent number 5,565,524
    • Issue date Oct 15, 1996
    • Sumitomo Rubber Industries, Ltd.
    • Akihiko Hamada
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Golf ball
    • Patent number 5,543,467
    • Issue date Aug 6, 1996
    • Sumitomo Rubber Industries, Ltd.
    • Akihiko Hamada
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Solid golf ball
    • Patent number RE35293
    • Issue date Jul 9, 1996
    • Sumitomo Rubber Industries, Ltd.
    • Hidenori Hiraoka
    • 473 - Games using tangible projectile
  • Information Patent Grant

    Golf ball
    • Patent number 5,508,351
    • Issue date Apr 16, 1996
    • Sumitomo Rubber Industries, Ltd.
    • Kuniyasu Horiuchi
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Three-piece solid golf ball
    • Patent number 5,490,674
    • Issue date Feb 13, 1996
    • Sumitomo Rubber Industries, Ltd.
    • Akihiko Hamada
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Golf ball
    • Patent number 5,367,028
    • Issue date Nov 22, 1994
    • Sumitomo Rubber Industries, Ltd.
    • Akihiko Hamada
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Golf ball
    • Patent number 5,359,000
    • Issue date Oct 25, 1994
    • Sumitomo Rubber Industries, Ltd.
    • Akihiko Hamada
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Thread wound golf ball
    • Patent number 5,346,223
    • Issue date Sep 13, 1994
    • Sumitomo Rubber Industries, Ltd.
    • Akihiko Hamada
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Thread wound golf ball
    • Patent number 5,340,112
    • Issue date Aug 23, 1994
    • Sumitomo Rubber Industries, Ltd.
    • Akihiko Hamada
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Solid golf ball
    • Patent number 5,215,308
    • Issue date Jun 1, 1993
    • Sumitomo Rubber Industries, Ltd.
    • Hidenori Hiraoka
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Golf ball
    • Patent number 5,156,405
    • Issue date Oct 20, 1992
    • Sumitomo Rubber Industries, Ltd.
    • Katsutoshi Kitaoh
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Solid golf ball
    • Patent number 5,082,285
    • Issue date Jan 21, 1992
    • Sumitomo Rubber Industries, Ltd.
    • Akihiko Hamada
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Rubber composition and a solid golf ball obtained therefrom
    • Patent number 4,929,678
    • Issue date May 29, 1990
    • Sumitomo Rubber Industries, Ltd.
    • Akihiko Hamada
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents