Helen Hong Yan

Person

  • Victor, NY, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Electromagnetic shutter

    • Patent number 8,651,754
    • Issue date Feb 18, 2014
    • VA, Inc.
    • David Viglione
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Shutter damping assembly

    • Patent number 8,317,417
    • Issue date Nov 27, 2012
    • VA, Inc.
    • David Viglione
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Damping system for mechanical shutter

    • Patent number 7,614,806
    • Issue date Nov 10, 2009
    • VA, Inc.
    • Stephen Pasquarella
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Damping system for mechanical shutter

    • Patent number 6,652,165
    • Issue date Nov 25, 2003
    • VA, Inc.
    • Stephen Pasquarella
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

  • Information Patent Application

    ELECTROMAGNETIC SHUTTER

    • Publication number 20120321292
    • Publication date Dec 20, 2012
    • David Viglione
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    SHUTTER DAMPING ASSEMBLY

    • Publication number 20110206362
    • Publication date Aug 25, 2011
    • VA, Inc.
    • David Viglione
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    Damping system for mechanical shutter

    • Publication number 20060120715
    • Publication date Jun 8, 2006
    • Stephen Pasquarella
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY