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Shizuichi Sakamoto

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  • Shimoinayoshi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pumping plant
    • Patent number 6,354,763
    • Issue date Mar 12, 2002
    • Hitachi, Ltd.
    • Seiichi Ishikawa
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Vertical shaft pump
    • Patent number 5,154,570
    • Issue date Oct 13, 1992
    • Hitachi, Ltd.
    • Yoshihiko Yoshikawa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Sodium turbine pump
    • Patent number 4,190,396
    • Issue date Feb 26, 1980
    • Hitachi, Ltd.
    • Shunzo Tomioka
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES