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Sumiko Seki

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Patents Grantslast 30 patents

  • Information Patent Grant

    Hydraulic apparatus
    • Patent number 7,231,763
    • Issue date Jun 19, 2007
    • Saxa, Inc.
    • Shigeru Suzuki
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Hydraulic equipment
    • Patent number 7,043,906
    • Issue date May 16, 2006
    • Saxa Inc.
    • Shigeru Suzuki
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Symmetrical DC/DC converter
    • Patent number 6,636,431
    • Issue date Oct 21, 2003
    • NEC TOKIN Corporation
    • Sumiko Seki
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Electric energy storage device with cell energy control, and method...
    • Patent number 6,538,414
    • Issue date Mar 25, 2003
    • Tokin Corporation
    • Kikuo Tsuruga
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

  • Information Patent Application

    DEVICE FOR ROTATING BODY WINDAGE LOSS REDUCTION
    • Publication number 20070292061
    • Publication date Dec 20, 2007
    • Tamura Electric Works, Ltd.
    • Satoru Shimada
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Hydraulic apparatus
    • Publication number 20060117745
    • Publication date Jun 8, 2006
    • Shigeru Suzuki
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    Loss reducing device of rotary body
    • Publication number 20050050982
    • Publication date Mar 10, 2005
    • Satoru Shimada
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Hydraulic equipment
    • Publication number 20050042121
    • Publication date Feb 24, 2005
    • Shigeru Suzuki
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Symmetrical DC/DC converter
    • Publication number 20020101745
    • Publication date Aug 1, 2002
    • TOKIN CORPORATION
    • Sumiko Seki
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER