TREA

Toshifumi TSURUTA

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  • Nagano, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Planetary gear speed reduction device and driving mechanism
    • Patent number 10,404,151
    • Issue date Sep 3, 2019
    • NIDEC SANKYO CORPORATION
    • Masaaki Ando
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Lens driving device
    • Patent number 8,289,638
    • Issue date Oct 16, 2012
    • NIDEC SANKYO CORPORATION
    • Akihito Wada
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Optical unit with shake correcting function and photographic optica...
    • Patent number 8,238,736
    • Issue date Aug 7, 2012
    • NIDEC SANKYO CORPORATION
    • Toshifumi Tsuruta
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Optical unit with shake correcting function
    • Patent number 8,224,169
    • Issue date Jul 17, 2012
    • NIDEC SANKYO CORPORATION
    • Toshifumi Tsuruta
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Lens drive device
    • Patent number 8,040,620
    • Issue date Oct 18, 2011
    • NIDEC SANKYO CORPORATION
    • Tatsuki Wade
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Lens driving device and portable equipment with camera
    • Patent number 7,440,201
    • Issue date Oct 21, 2008
    • NIDEC SANKYO CORPORATION
    • Toshifumi Tsuruta
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Optical switch device
    • Patent number 7,289,696
    • Issue date Oct 30, 2007
    • Omron Corporation
    • Eiji Fujisawa
    • G02 - OPTICS
  • Information Patent Grant

    Permanent magnet embedded motor
    • Patent number 7,042,127
    • Issue date May 9, 2006
    • NIDEC SANKYO CORPORATION
    • Toshifumi Tsuruta
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Lens driving device
    • Patent number 6,856,469
    • Issue date Feb 15, 2005
    • Sankyo Seiki Mfg. Co., Ltd.
    • Hidekazu Yoneyama
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Small-sized hydroelectric power generating apparatus
    • Patent number 6,559,553
    • Issue date May 6, 2003
    • Kabushiki Kaisha Sankyo Seiki Seisakusho
    • Yukinobu Yumita
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...

Patents Applicationslast 30 patents