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Matthew John Underwood

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  • Balmain, AU
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Patents Grantslast 30 patents

  • Information Patent Grant

    Electronic pen with retractable nib and force sensor
    • Patent number 8,414,210
    • Issue date Apr 9, 2013
    • Silverbrook Research Pty Ltd
    • Kia Silverbrook
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Sensing device for subsampling imaged coded data
    • Patent number 8,416,468
    • Issue date Apr 9, 2013
    • Silverbrook Research Pty Ltd
    • Matthew John Underwood
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Electronic pen having fast response time
    • Patent number 8,366,338
    • Issue date Feb 5, 2013
    • Silverbrook Research Pty Ltd
    • Matthew John Underwood
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Retractable electronic pen with sensing arrangement
    • Patent number 8,360,669
    • Issue date Jan 29, 2013
    • Silverbrook Research Pty Ltd
    • Matthew John Underwood
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Retractable electronic pen comprising actuator button decoupled fro...
    • Patent number 8,297,868
    • Issue date Oct 30, 2012
    • Silverbrook Research Pty Ltd
    • Matthew John Underwood
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Electronic pen with retractable and replaceable cartridge
    • Patent number 8,287,204
    • Issue date Oct 16, 2012
    • Silverbrook Research Pty Ltd
    • Kia Silverbrook
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Pixel sensor with voltage compensator
    • Patent number 8,023,020
    • Issue date Sep 20, 2011
    • Silverbrook Research Pty Ltd
    • Alireza Moini
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Photodetecting circuit
    • Patent number 7,990,450
    • Issue date Aug 2, 2011
    • Silverbrook Research Pty Ltd
    • Kia Silverbrook
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Electronic image-sensing pen with force sensor and removeable ink c...
    • Patent number 7,955,017
    • Issue date Jun 7, 2011
    • Silverbrook Research Pty Ltd
    • Paul Lapstun
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Force sensor with angled coupling
    • Patent number 7,928,967
    • Issue date Apr 19, 2011
    • Silverbrook Research Pty Ltd
    • Matthew John Underwood
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Pen with side loading cartridge
    • Patent number 7,794,167
    • Issue date Sep 14, 2010
    • Silverbrook Research Pty Ltd
    • Paul Lapstun
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Force sensor assembly
    • Patent number 7,770,465
    • Issue date Aug 10, 2010
    • Silverbrook Research Pty Ltd
    • Paul Lapstun
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Pixel sensor
    • Patent number 7,760,259
    • Issue date Jul 20, 2010
    • Silverbrook Research Pty Ltd
    • Alireza Moini
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Sensing device for coded data
    • Patent number 7,605,940
    • Issue date Oct 20, 2009
    • Silverbrook Research Pty Ltd
    • Kia Silverbrook
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Image sensor timing circuit
    • Patent number 7,567,279
    • Issue date Jul 28, 2009
    • Silverbrook Research Pty Ltd
    • Zhenya Alexander Yourlo
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Collapsible force sensor coupling
    • Patent number 7,523,672
    • Issue date Apr 28, 2009
    • Silverbrook Research Pty Ltd
    • Paul Lapstun
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Pixel sensor
    • Patent number 7,515,186
    • Issue date Apr 7, 2009
    • Silverbrook Research Pty Ltd
    • Alireza Moini
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Scanning device for coded data
    • Patent number 7,128,270
    • Issue date Oct 31, 2006
    • Silverbrook Research Pty Ltd
    • Kia Silverbrook
    • G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

  • Information Patent Application

    ELECTRONIC IMAGE-SENSING PEN WITH FORCE SENSOR AND REMOVEABLE INK C...
    • Publication number 20100310299
    • Publication date Dec 9, 2010
    • SILVERBROOK RESEARCH PTY LTD
    • Paul Lapstun
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    PIXEL SENSOR WITH VOLTAGE COMPENSATOR
    • Publication number 20100302426
    • Publication date Dec 2, 2010
    • SILVERBROOK RESEARCH PTY LTD
    • Alireza Moini
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    METHOD AND APPARATUS FOR ALIGNMENT OF AN OPTICAL ASSEMBLY WITH AN I...
    • Publication number 20100079602
    • Publication date Apr 1, 2010
    • SILVERBROOK RESEARCH PTY LTD
    • Jonathon Leigh Napper
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Sensing Device For Subsampling Imaged Coded Data
    • Publication number 20100014784
    • Publication date Jan 21, 2010
    • SILVERBROOK RESEARCH PTY LTD
    • KIA SILVERBROOK
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    Photodetecting Circuit
    • Publication number 20100002111
    • Publication date Jan 7, 2010
    • SILVERBROOK RESEARCH PTY LTD
    • Zhenya Alexander Yourlo
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    ELECTRONIC PEN WITH RETRACTABLE NIB AND FORCE SENSOR
    • Publication number 20090315862
    • Publication date Dec 24, 2009
    • SILVERBROOK RESEARCH PTY LTD
    • Kia Silverbrook
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    Electronic pen with automatically retractable nib
    • Publication number 20090315734
    • Publication date Dec 24, 2009
    • SILVERBROOK RESEARCH PTY LTD
    • Paul Lapstun
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    Retractable electronic pen comprising actuator button decoupled fro...
    • Publication number 20090314552
    • Publication date Dec 24, 2009
    • SILVERBROOK RESEARCH PTY LTD
    • Matthew John Underwood
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    Retractable electronic pen with sensing arrangement
    • Publication number 20090314553
    • Publication date Dec 24, 2009
    • SILVERBROOK RESEARCH PTY LTD
    • Matthew John Underwood
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    ELECTRONIC PEN HAVING FAST RESPONSE TIME
    • Publication number 20090315863
    • Publication date Dec 24, 2009
    • SILVERBROOK RESEARCH PTY LTD
    • Matthew John Underwood
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    Electronic pen with retractable and replaceable cartridge
    • Publication number 20090315864
    • Publication date Dec 24, 2009
    • SILVERBROOK RESEARCH PTY LTD
    • Kia Silverbrook
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    FORCE SENSOR ASSEMBLY
    • Publication number 20090223300
    • Publication date Sep 10, 2009
    • SILVERBROOK RESEARCH PTY LTD
    • Paul Lapstun
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    PIXEL SENSOR
    • Publication number 20090160986
    • Publication date Jun 25, 2009
    • SILVERBROOK RESEARCH PTY LTD
    • Alireza Moini
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Force sensor with angled coupling
    • Publication number 20070040817
    • Publication date Feb 22, 2007
    • SILVERBROOK RESEARCH PTY LTD
    • Matthew John Underwood
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Collapsible force sensor coupling
    • Publication number 20070042620
    • Publication date Feb 22, 2007
    • SILVERBROOK RESEARCH PTY LTD
    • Paul Lapstun
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Pen with side loading cartridge
    • Publication number 20070025805
    • Publication date Feb 1, 2007
    • SILVERBROOK RESEARCH PTY LTD
    • Paul Lapstun
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Pre-loaded force sensor
    • Publication number 20060028459
    • Publication date Feb 9, 2006
    • SILVERBROOK RESEARCH PTY LTD
    • Matthew John Underwood
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    Scanning device for coded data
    • Publication number 20050254106
    • Publication date Nov 17, 2005
    • Kia Silverbrook
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    Image processor
    • Publication number 20050052556
    • Publication date Mar 10, 2005
    • Silverbrook Research Pty Ltd
    • Peter Charles Boyd Henderson
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Synchronization protocol
    • Publication number 20050046717
    • Publication date Mar 3, 2005
    • Silverbrook Research Pty Ltd
    • Paul Lapstun
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Image sensor timing circuit
    • Publication number 20050046718
    • Publication date Mar 3, 2005
    • Silverbrook Research Pty Ltd
    • Zhenya Alexander Yourlo
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Image sensor with range expander
    • Publication number 20050036039
    • Publication date Feb 17, 2005
    • Silverbrook Research Pty Ltd
    • Kia Silverbrook
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Image processor with low power mode
    • Publication number 20050024524
    • Publication date Feb 3, 2005
    • Silverbrook Research Pty Ltd
    • Zhenya Alexander Yourlo
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Image sensor with low-pass filter
    • Publication number 20050024511
    • Publication date Feb 3, 2005
    • Silverbrook Research Pty Ltd
    • Paul Lapstun
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Image sensor with digital frame store
    • Publication number 20050024510
    • Publication date Feb 3, 2005
    • Silverbrook Research Pty Ltd
    • Paul Lapstun
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Pixel sensor
    • Publication number 20050024512
    • Publication date Feb 3, 2005
    • Silverbrook Research Pty Ltd
    • Alireza Moini
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Sensing device for coded data
    • Publication number 20040190085
    • Publication date Sep 30, 2004
    • SILVERBROOK RESEARCH PTY LTD
    • Kia Silverbrook
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    Scanning device for coded data
    • Publication number 20040190092
    • Publication date Sep 30, 2004
    • Kia Silverbrook
    • G06 - COMPUTING CALCULATING COUNTING