TREA

Yamato Kogyo Company, Limited

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  • Kanagawa, JP
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Base structure of a turnout
    • Patent number 6,257,494
    • Issue date Jul 10, 2001
    • Yamato Kogyo Co., Ltd.
    • Kenzo Tokuoka
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Spring rail frog
    • Patent number 6,138,958
    • Issue date Oct 31, 2000
    • Yamato Kogyo Co., Ltd.
    • Takaaki Irie
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Welded nose rail used for crossing
    • Patent number 5,820,702
    • Issue date Oct 13, 1998
    • Yamato Kogyo Co., Ltd.
    • Takaaki Irie
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Spring rail frog having bendable rail with modified cross-section
    • Patent number 5,782,437
    • Issue date Jul 21, 1998
    • Yamato Kogyo Co., Ltd.
    • Takaaki Irie
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Welded nose rail used for crossing
    • Patent number 5,704,570
    • Issue date Jan 6, 1998
    • Yamato Kogyo Co., Ltd.
    • Takaaki Irie
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Noise reductive resin muffler for exhaust system in combustion engine
    • Patent number 5,052,513
    • Issue date Oct 1, 1991
    • Showa Denko Kabushiki Kaisha
    • Hideo Yoshikawa
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Elbow cover for insulated pipework
    • Patent number D312499
    • Issue date Nov 27, 1990
    • Yamato Kogyo Kabushiki Kaisha
    • Kazuo Karakawa
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Protective cylinder for pipe covering material
    • Patent number 4,846,512
    • Issue date Jul 11, 1989
    • Yamato Kogyo Kabushiki Kaisha
    • Kazuo Karakawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Elbow cover for an elbow in pipework
    • Patent number 4,838,318
    • Issue date Jun 13, 1989
    • Yamato Kogyo Kabushiki Kaisha
    • Kazuo Karakawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Door guard bar
    • Patent number 4,838,606
    • Issue date Jun 13, 1989
    • Nissan Motor Co., Ltd.
    • Tadashi Furubayashi
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Plastics cover for piping
    • Patent number 4,830,061
    • Issue date May 16, 1989
    • Yamato Kogyo Kabushiki Kaisha
    • Kazuo Karakawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

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