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Daniel J. Fritchman

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  • Sunnyvale, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Reference circuit for metrology system
    • Patent number 11,022,503
    • Issue date Jun 1, 2021
    • Apple Inc.
    • Daniel J. Fritchman
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Reference circuit for metrology system
    • Patent number 10,527,503
    • Issue date Jan 7, 2020
    • Apple Inc.
    • Daniel J. Fritchman
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Reference voltage circuit with flipped-gate transistor
    • Patent number 10,345,846
    • Issue date Jul 9, 2019
    • Apple Inc.
    • Ryan D. Bartling
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Highly granular voltage regulator
    • Patent number 10,088,857
    • Issue date Oct 2, 2018
    • Apple Inc.
    • Weibiao Zhang
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Cascading power for accessories
    • Patent number 9,906,062
    • Issue date Feb 27, 2018
    • Apple Inc.
    • Jeffrey J. Terlizzi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    High voltage charging for a portable device
    • Patent number 9,395,778
    • Issue date Jul 19, 2016
    • Apple Inc.
    • Dan Fritchman
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Cascading power for accessories
    • Patent number 9,240,700
    • Issue date Jan 19, 2016
    • Apple Inc.
    • Jeffrey J. Terlizzi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Connector adapter
    • Patent number 9,021,159
    • Issue date Apr 28, 2015
    • Apple Inc.
    • Daniel J. Fritchman
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Adapter for electronic devices
    • Patent number 8,762,605
    • Issue date Jun 24, 2014
    • Apple Inc.
    • Jeffrey J. Terlizzi
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Connector adapter
    • Patent number 8,688,876
    • Issue date Apr 1, 2014
    • Apple Inc.
    • Daniel J. Fritchman
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Adapter for electronic devices
    • Patent number 8,478,913
    • Issue date Jul 2, 2013
    • Apple Inc.
    • Jeffrey J. Terlizzi
    • G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

  • Information Patent Application

    Reference Circuit for Metrology System
    • Publication number 20200217729
    • Publication date Jul 9, 2020
    • Apple Inc.
    • Daniel J. Fritchman
    • G01 - MEASURING TESTING
  • Information Patent Application

    Reference Circuit for Metrology System
    • Publication number 20170199089
    • Publication date Jul 13, 2017
    • Apple Inc.
    • Daniel J. Fritchman
    • G01 - MEASURING TESTING
  • Information Patent Application

    CASCADING POWER FOR ACCESSORIES
    • Publication number 20160094061
    • Publication date Mar 31, 2016
    • Apple Inc.
    • Jeffrey J. Terlizzi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    HIGH VOLTAGE CHARGING FOR A PORTABLE DEVICE
    • Publication number 20140136863
    • Publication date May 15, 2014
    • Apple Inc.
    • Dan Fritchman
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    CASCADING POWER FOR ACCESSORIES
    • Publication number 20140070774
    • Publication date Mar 13, 2014
    • Apple Inc.
    • Jeffrey T. Terlizzi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    CONNECTOR ADAPTER
    • Publication number 20140073188
    • Publication date Mar 13, 2014
    • Apple Inc.
    • Daniel J. Fritchman
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    CONNECTOR ADAPTER
    • Publication number 20140075061
    • Publication date Mar 13, 2014
    • Apple Inc.
    • Daniel J. Fritchman
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    Adapter for Electronic Devices
    • Publication number 20130238823
    • Publication date Sep 12, 2013
    • Apple Inc.
    • Jeffrey J. Terlizzi
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    ADAPTER FOR ELECTRONIC DEVICES
    • Publication number 20130138861
    • Publication date May 30, 2013
    • Apple Inc.
    • Jeffrey J. Terlizzi
    • G06 - COMPUTING CALCULATING COUNTING