TREA

Heng I Yu

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  • Taichung, TW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Two-stage lens driving device
    • Patent number 7,574,125
    • Issue date Aug 11, 2009
    • PowerGate Optical Inc.
    • Wen Jen Ho
    • G02 - OPTICS
  • Information Patent Grant

    Multi-stage lens driving device
    • Patent number 7,505,219
    • Issue date Mar 17, 2009
    • PowerGate Optical Inc.
    • Wen Jen Ho
    • G02 - OPTICS
  • Information Patent Grant

    Minature zoom lens
    • Patent number 7,391,579
    • Issue date Jun 24, 2008
    • PowerGate Optical Inc.
    • Wen Jen Ho
    • G02 - OPTICS

Patents Applicationslast 30 patents

  • Information Patent Application

    Minature zoom lens
    • Publication number 20070268595
    • Publication date Nov 22, 2007
    • PowerGate Optical, Inc.
    • Wen Jen Ho
    • G02 - OPTICS
  • Information Patent Application

    Multi-stage lens driving device
    • Publication number 20070247539
    • Publication date Oct 25, 2007
    • PowerGate Optical Inc.
    • Wen Jen Ho
    • G02 - OPTICS
  • Information Patent Application

    Two-stage lens driving device
    • Publication number 20070223903
    • Publication date Sep 27, 2007
    • PowerGate Optical, Inc.
    • Wen Jen Ho
    • G02 - OPTICS