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Yamada Yuki Seizo Co., Ltd.

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Switching device for reciprocating pumps
    • Patent number 5,120,202
    • Issue date Jun 9, 1992
    • Yamada Yuki Seizo Co., Ltd.
    • Minoru Murata
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Switching device for reciprocating pumps
    • Patent number 5,002,469
    • Issue date Mar 26, 1991
    • Yamada Yuki Seizo Co., Ltd.
    • Minoru Murata
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Switching device for reciprocating pumps
    • Patent number 5,002,468
    • Issue date Mar 26, 1991
    • Yamada Yuki Seizo Co., Ltd.
    • Minoru Murata
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Diaphragm pump with pressure chamber having a ribbed wall
    • Patent number 4,817,503
    • Issue date Apr 4, 1989
    • Yamada Yuki Seizo Co., Ltd.
    • Kazumasa Yamada
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Diaphragm pump
    • Patent number 4,188,170
    • Issue date Feb 12, 1980
    • Yamada Yuki Seizo Co., Ltd.
    • Jinichi Ito
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

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