TREA

Kenneth J. Keefer

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  • Westford, MA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Electrode pattern for capacitive touch sensor
    • Patent number 10,901,564
    • Issue date Jan 26, 2021
    • 3M Innovative Properties Company
    • Kenneth J. Keefer
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Capacitive touch sensor apparatus
    • Patent number 10,353,525
    • Issue date Jul 16, 2019
    • 3M Innovative Properties Company
    • Kenneth J. Keefer
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Capacitive touch sensor apparatus
    • Patent number 9,977,555
    • Issue date May 22, 2018
    • 3M Innovative Properties Company
    • Kenneth J. Keefer
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Clip for maintaining connection with electrical tail
    • Patent number 7,850,461
    • Issue date Dec 14, 2010
    • 3M Innovative Properties Company
    • Kenneth J. Keefer
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Touch sensor with linearized response
    • Patent number 7,439,963
    • Issue date Oct 21, 2008
    • 3M Innovative Properties Company
    • Bernard O. Geaghan
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Linearized conductive surface
    • Patent number 7,327,352
    • Issue date Feb 5, 2008
    • 3M Innovative Properties Company
    • Kenneth J. Keefer
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Touch sensor with linearized response
    • Patent number 7,307,624
    • Issue date Dec 11, 2007
    • 3M Innovative Properties Company
    • Bernard O. Geaghan
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Touch sensor with linearized response
    • Patent number 7,227,538
    • Issue date Jun 5, 2007
    • 3M Innovative Properties Company
    • Bemard O. Geaghan
    • G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

  • Information Patent Application

    MULTI-SIZE TOUCH SENSOR
    • Publication number 20200278771
    • Publication date Sep 3, 2020
    • 3M INNOVATIVE PROPERTIES COMPANY
    • Kenneth J. Keefer
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    Electrode Pattern for Capacitive Touch Sensor
    • Publication number 20190324597
    • Publication date Oct 24, 2019
    • 3M Innovative Properties Company
    • Kenneth J. Keefer
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    CAPACITIVE TOUCH SENSOR APPARATUS
    • Publication number 20180232083
    • Publication date Aug 16, 2018
    • 3M Innovative Properties Company
    • Kenneth J. Keefer
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    CAPACITIVE TOUCH SENSOR APPARATUS
    • Publication number 20170199595
    • Publication date Jul 13, 2017
    • 3M Innovative Properties Company
    • Kenneth J. Keefer
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    TOUCH SENSOR WITH MODULAR COMPONENTS
    • Publication number 20120280944
    • Publication date Nov 8, 2012
    • 3M Innovative Properties Company
    • Richard L. ST. PIERRE
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    CLIP FOR MAINTAINING CONNECTION WITH ELECTRICAL TAIL
    • Publication number 20080189919
    • Publication date Aug 14, 2008
    • 3M Innovative Properties Company
    • Kenneth J. Keefer
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    TOUCH SENSOR WITH LINEARIZED RESPONSE
    • Publication number 20080041641
    • Publication date Feb 21, 2008
    • 3M Innovative Properties Company
    • Bernard O. Geaghan
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    Touch sensor with linearized response
    • Publication number 20050184965
    • Publication date Aug 25, 2005
    • Bemard O. Geaghan
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    Touch sensor with linearized response
    • Publication number 20050146509
    • Publication date Jul 7, 2005
    • Bernard O. Geaghan
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    Linearized conductive surface
    • Publication number 20030230438
    • Publication date Dec 18, 2003
    • Kenneth J. Keefer
    • G06 - COMPUTING CALCULATING COUNTING