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Calvin Y. Liu

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  • Irvine, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Multiple user telephone router
    • Patent number 7,773,579
    • Issue date Aug 10, 2010
    • Cisco Technology, Inc.
    • Calvin Y. Liu
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Power adapter
    • Patent number 7,581,992
    • Issue date Sep 1, 2009
    • Cisco Technology, Inc.
    • Calvin Y. Liu
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Dual-mode Internet phone kit
    • Patent number D593988
    • Issue date Jun 9, 2009
    • Cisco Technology, Inc.
    • Calvin Y. Liu
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Wireless security using media access control address filtering with...
    • Patent number 7,496,754
    • Issue date Feb 24, 2009
    • Cisco Technology, Inc.
    • Calvin Y. Liu
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Selectable network antenna systems and methods
    • Patent number 7,421,265
    • Issue date Sep 2, 2008
    • Cisco Technology, Inc.
    • Calvin Y. Liu
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Wireless Internet video camera
    • Patent number D575316
    • Issue date Aug 19, 2008
    • Cisco Technology, Inc.
    • Calvin Y. Liu
    • D16 - Photography and optical equipment
  • Information Patent Grant

    Reset lock for electronic devices
    • Patent number 7,408,126
    • Issue date Aug 5, 2008
    • Cisco Technology, Inc.
    • Calvin Y. Liu
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Wireless notebook adapter
    • Patent number D571809
    • Issue date Jun 24, 2008
    • Cisco Technology, Inc.
    • Calvin Y. Liu
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Wireless network adapter
    • Patent number D570844
    • Issue date Jun 10, 2008
    • Cisco Technology, Inc.
    • Calvin Y. Liu
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Wireless USB adapter
    • Patent number D570845
    • Issue date Jun 10, 2008
    • Cisco Technology, Inc.
    • Calvin Y. Liu
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Wireless USB adapter
    • Patent number D570846
    • Issue date Jun 10, 2008
    • Cisco Technology, Inc.
    • Calvin Y. Liu
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Router
    • Patent number D565558
    • Issue date Apr 1, 2008
    • Cisco Technology, Inc.
    • Calvin Y. Liu
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Wireless notebook adapter
    • Patent number D564521
    • Issue date Mar 18, 2008
    • Cisco Technology, Inc.
    • Calvin Y. Liu
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Network attached storage
    • Patent number D563994
    • Issue date Mar 11, 2008
    • Cisco Technology, Inc.
    • Calvin Y. Liu
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Wireless home router
    • Patent number D562814
    • Issue date Feb 26, 2008
    • Cisco Technology, Inc.
    • Calvin Y. Liu
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Wireless access point
    • Patent number D561750
    • Issue date Feb 12, 2008
    • Cisco Technology, Inc.
    • Calvin Y. Liu
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Wireless access point
    • Patent number D559841
    • Issue date Jan 15, 2008
    • Cisco Technology, Inc.
    • Calvin Y. Liu
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Wireless router
    • Patent number D556190
    • Issue date Nov 27, 2007
    • Cisco Technology, Inc.
    • Calvin Y. Liu
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Wireless internet camera
    • Patent number D555692
    • Issue date Nov 20, 2007
    • Cisco Technology, Inc.
    • Calvin Y. Liu
    • D16 - Photography and optical equipment
  • Information Patent Grant

    Internet telephone base
    • Patent number D554116
    • Issue date Oct 30, 2007
    • Cisco Technology, Inc.
    • Calvin Y. Liu
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Dual-mode cordless phone base
    • Patent number D554115
    • Issue date Oct 30, 2007
    • Cisco Technology, Inc.
    • Calvin Y. Liu
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Wireless access point
    • Patent number D548731
    • Issue date Aug 14, 2007
    • Cisco Technology, Inc.
    • Calvin Y. Liu
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Telephone adapter
    • Patent number D541792
    • Issue date May 1, 2007
    • Cisco Technology, Inc.
    • Calvin Y. Liu
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Voice over internet protocol (VoIP) phone
    • Patent number D540771
    • Issue date Apr 17, 2007
    • Cisco Technology, Inc.
    • Calvin Y. Liu
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Phone adapter
    • Patent number D538273
    • Issue date Mar 13, 2007
    • Cisco Technology, Inc.
    • Calvin Y. Liu
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Double height gateway housing
    • Patent number D536696
    • Issue date Feb 13, 2007
    • Cisco Technology, Inc.
    • Matthew B. McRae
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Single height gateway housing
    • Patent number D536333
    • Issue date Feb 6, 2007
    • Cisco Technology, Inc.
    • Matthew B. McRae
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    USB base
    • Patent number D533834
    • Issue date Dec 19, 2006
    • Cisco Technology, Inc.
    • Calvin Y. Liu
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Network router
    • Patent number D530315
    • Issue date Oct 17, 2006
    • Cisco Technology, Inc.
    • Calvin Y. Liu
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Gateway housing
    • Patent number D529903
    • Issue date Oct 10, 2006
    • Cisco Technology, Inc.
    • Matthew B. McRae
    • D14 - Recording, communication, or information retrieval equipment

Patents Applicationslast 30 patents