TREA

Shinji Takeda

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  • Ohmiya, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Ball valve and methods of fabrication
    • Patent number 4,960,262
    • Issue date Oct 2, 1990
    • Sekisui Kagaku Kogyo Kabushiki Kaisha
    • Mitsuharu Hashimoto
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Ball valve and methods of fabrication
    • Patent number 4,883,253
    • Issue date Nov 28, 1989
    • Sekisui Kagaku Kogyo Kabushiki Kaisha
    • Mitsuharu Hashimoto
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Ball valve
    • Patent number 4,869,450
    • Issue date Sep 26, 1989
    • Sekisui Kagaku Kogyo Kabushiki Kaisha
    • Shinji Takeda
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Ball valve
    • Patent number 4,813,649
    • Issue date Mar 21, 1989
    • Sekisui Kagaku Kogyo Kabushiki Kaisha
    • Shinji Takeda
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Ball valve
    • Patent number 4,667,926
    • Issue date May 26, 1987
    • Sekisui Kagaku Kogyo Kabushiki Kaisha
    • Shinji Takeda
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...