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Kwok Chris Leung

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  • Richmond Hill, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Electronic device including keypad with keys having a ridged surfac...
    • Patent number 10,061,394
    • Issue date Aug 28, 2018
    • BlackBerry Limited
    • Kwok Ching Leung
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Portable smart card reader having secure wireless communications ca...
    • Patent number 9,697,389
    • Issue date Jul 4, 2017
    • BlackBerry Limited
    • Mihal Lazaridis
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Flexible mobile computing devices
    • Patent number 8,958,201
    • Issue date Feb 17, 2015
    • BlackBerry Limited
    • Kwok Ching Leung
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Electronic device
    • Patent number D722308
    • Issue date Feb 10, 2015
    • BlackBerry Limited
    • Joseph Michael Hofer
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Portable electronic device chargeable via at least one speaker port
    • Patent number 8,922,158
    • Issue date Dec 30, 2014
    • BlackBerry Limited
    • Kwok Ching Leung
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Character input method
    • Patent number 8,810,581
    • Issue date Aug 19, 2014
    • BlackBerry Limited
    • Archer Chi Kwong Wun
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Electronic device including keypad
    • Patent number 8,780,051
    • Issue date Jul 15, 2014
    • BlackBerry Limited
    • Kwok Ching Leung
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Electronic device battery door
    • Patent number D685737
    • Issue date Jul 9, 2013
    • Research in Motion Limited
    • Janice Leigh de Jong
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Handheld electronic device
    • Patent number D680510
    • Issue date Apr 23, 2013
    • Research in Motion Limited
    • Kwok Ching Leung
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Handheld electronic device
    • Patent number D679675
    • Issue date Apr 9, 2013
    • Research in Motion Limited
    • Kwok Ching Leung
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Mobile device with a flip-around keyboard
    • Patent number 8,331,098
    • Issue date Dec 11, 2012
    • Research In Motion Limited
    • Kwok Ching Leung
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Electronic device
    • Patent number D667807
    • Issue date Sep 25, 2012
    • Research in Motion Limited
    • Kwok Ching Leung
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Electronic device
    • Patent number D666982
    • Issue date Sep 11, 2012
    • Research in Motion Limited
    • Kwok Ching Leung
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Electronic device
    • Patent number D666983
    • Issue date Sep 11, 2012
    • Research in Motion Limited
    • Kwok Ching Leung
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Back housing for a handheld electronic device
    • Patent number D663297
    • Issue date Jul 10, 2012
    • Research in Motion Limited
    • Janice Leigh de Jong
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Handheld electronic device
    • Patent number D660279
    • Issue date May 22, 2012
    • Research in Motion Limited
    • Kwok Ching Leung
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Handheld electronic device
    • Patent number D644235
    • Issue date Aug 30, 2011
    • Research In Motin Limited
    • Kwok Ching Leung
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Handheld electronic device
    • Patent number D644236
    • Issue date Aug 30, 2011
    • Research in Motion Limited
    • Kwok Ching Leung
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Handheld electronic device
    • Patent number D641752
    • Issue date Jul 19, 2011
    • Research in Motion Limited
    • Kwok Ching Leung
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Handheld electronic device
    • Patent number D640689
    • Issue date Jun 28, 2011
    • Research in Motion Limited
    • Kwok Ching Leung
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Handheld electronic device
    • Patent number D640261
    • Issue date Jun 21, 2011
    • Research in Motion Limited
    • Kwok Ching Leung
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Handheld electronic device
    • Patent number D638420
    • Issue date May 24, 2011
    • Research in Motion Limited
    • Kwok Ching Leung
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Keypad
    • Patent number D636384
    • Issue date Apr 19, 2011
    • Research in Motion Limited
    • Kwok Ching Leung
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Hand-held electronic device
    • Patent number D629004
    • Issue date Dec 14, 2010
    • Research in Motion Limited
    • Kwok Ching Leung
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Hand-held electronic device
    • Patent number D627788
    • Issue date Nov 23, 2010
    • Research in Motion Limited
    • Kwok Ching Leung
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Keypad
    • Patent number D627768
    • Issue date Nov 23, 2010
    • Research in Motion Limited
    • Kwok Ching Leung
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Hand-held electronic device
    • Patent number D622727
    • Issue date Aug 31, 2010
    • Research In Motion Limited
    • Roman Rak
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Keyboard for a hand-held electronic device
    • Patent number D622728
    • Issue date Aug 31, 2010
    • Research In Motion Limited
    • Archer Chi Kwong Wun
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Handheld electronic device
    • Patent number D620005
    • Issue date Jul 20, 2010
    • Research in Motion Limited
    • Roman P. Rak
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Keyboard
    • Patent number D620014
    • Issue date Jul 20, 2010
    • Research In Motion Limited
    • Kwok Ching Leung
    • D14 - Recording, communication, or information retrieval equipment

Patents Applicationslast 30 patents