Inventor · disambiguated record
Angus John North
Also filed as: NORTH ANGUS · NORTH ANGUS J · NORTH ANGUS JOHN
90 granted patents·9 pending applications·695 citations·filing 2002–2023
99Inventor score
Files withSILVERBROOK RES PTY LTD58MEMJET TECHNOLOGY LTD26NORTH ANGUS JOHN5SILVERBROOK KIA5ZAMTEC LTD4
Top patents by PatentIndex Score
99 records- 0198US7722168B2Inkjet printhead incorporating coincident groups of ink aperturesSILVERBROOK RES PTY LTD·Filed 2007·Granted May 25, 2010·20 cites·7 claims
- 0298US7513607B2Inkjet nozzle arrangement with annular heater elementSILVERBROOK RES PTY LTD·Filed 2008·Granted Apr 7, 2009·28 cites·7 claims
- 0398US7101025B2Printhead integrated circuit having heater elements with high surface areaSILVERBROOK RES PTY LTD·Filed 2005·Granted Sep 5, 2006·48 cites·15 claims
- 0498US6755509B2Thermal ink jet printhead with suspended beam heaterSILVERBROOK RES PTY LTD·Filed 2002·Granted Jun 29, 2004·57 cites·41 claims
- 0598US6672710B1Thermal ink jet printhead with symmetric bubble formationSILVERBROOK RES PTY LTD·Filed 2002·Granted Jan 6, 2004·97 cites·47 claims
- 0697US6719406B1Ink jet printhead with conformally coated heaterSILVERBROOK RES PTY LTD·Filed 2002·Granted Apr 13, 2004·62 cites·59 claims
- 0796US8272708B2Printhead with individual nozzle firing frequency at least once per decap timeSILVERBROOK KIA·Filed 2009·Granted Sep 25, 2012·20 cites·17 claims
- 0895US9994017B2Inkjet nozzle device having improved lifetimeMEMJET TECHNOLOGY LTD·Filed 2017·Granted Jun 12, 2018·6 cites·7 claims
- 0995US8356885B2MEMS fluid sensorZAMTEC LTD·Filed 2010·Granted Jan 22, 2013·9 cites·4 claims
- 1095US7416284B2Inkjet unit cell with dual heater elementsSILVERBROOK RES PTY LTD·Filed 2007·Granted Aug 26, 2008·14 cites·7 claims
- 1194US8011748B2Inkjet printhead with variable drive pulseSILVERBROOK RES PTY LTD·Filed 2009·Granted Sep 6, 2011·14 cites·4 claims
- 1294US7604321B2Thermal inkjet printhead with de-clog firing modeSILVERBROOK RES PTY LTD·Filed 2006·Granted Oct 20, 2009·16 cites·19 claims
- 1394US7264335B2Ink jet printhead with conformally coated heaterSILVERBROOK RES PTY LTD·Filed 2003·Granted Sep 4, 2007·37 cites·55 claims
- 1494US7147306B2Printhead nozzle with reduced ink inertia and viscous dragSILVERBROOK RES PTY LTD·Filed 2005·Granted Dec 12, 2006·14 cites·16 claims
- 1593US7491911B2MEMS bubble generator for large stable vapor bubblesSILVERBROOK RES PTY LTD·Filed 2006·Granted Feb 17, 2009·13 cites·10 claims
- 1693US7377623B2Printhead heaters with a nanocrystalline composite structureSILVERBROOK RES PTY LTD·Filed 2005·Granted May 27, 2008·14 cites·16 claims
- 1793US6692108B1High efficiency thermal ink jet printheadSILVERBROOK RES PTY LTD·Filed 2002·Granted Feb 17, 2004·58 cites·47 claims
- 1892US9283756B2Inkjet nozzle device having chamber geometry configured for constrained symmetric bubble expansionMEMJET TECHNOLOGY LTD·Filed 2015·Granted Mar 15, 2016·3 cites·11 claims
- 1992US7611218B2Inkjet printhead that prints keep-wet dots to avoid cloggingSILVERBROOK RES PTY LTD·Filed 2007·Granted Nov 3, 2009·10 cites·17 claims
- 2092US7431431B2Self passivating transition metal nitride printhead heatersSILVERBROOK RES PTY LTD·Filed 2005·Granted Oct 7, 2008·11 cites·12 claims
- 2192US7246876B2Inkjet printhead for printing with low density keep-wet dotsSILVERBROOK RES PTY LTD·Filed 2005·Granted Jul 24, 2007·11 cites·17 claims
- 2292US7128400B1Very high efficiency thermal ink jet printheadSILVERBROOK RES PTY LTD·Filed 2003·Granted Oct 31, 2006·14 cites·54 claims
- 2391US7637593B2Printhead with low viscous drag droplet ejectionSILVERBROOK RES PTY LTD·Filed 2007·Granted Dec 29, 2009·7 cites·16 claims
- 2489US7448729B2Inkjet printhead heater elements with thin or non-existent coatingsSILVERBROOK RES PTY LTD·Filed 2005·Granted Nov 11, 2008·8 cites·15 claims
- 2588US9044945B2Inkjet nozzle device having high degree of symmetryMEMJET TECHNOLOGY LTD·Filed 2014·Granted Jun 2, 2015·3 cites·18 claims
- 2687US9573368B2Inkjet nozzle device having improved lifetimeMEMJET TECHNOLOGY LTD·Filed 2015·Granted Feb 21, 2017·2 cites·14 claims
- 2787US7798608B2Printhead assembly incorporating a pair of aligned groups of ink holesSILVERBROOK RES PTY LTD·Filed 2008·Granted Sep 21, 2010·7 cites·7 claims
- 2886US7328978B2Printhead heaters with short pulse timeSILVERBROOK RES PTY LTD·Filed 2005·Granted Feb 12, 2008·7 cites·17 claims
- 2985US7429097B2Thermal ink jet printhead with symmetric bubble formationSILVERBROOK RES PTY LTD·Filed 2003·Granted Sep 30, 2008·18 cites·44 claims
- 3085US7261394B2Inkjet nozzle with reduced fluid inertia and viscous dragSILVERBROOK RES PTY LTD·Filed 2006·Granted Aug 28, 2007·6 cites·16 claims
- 3184US8998383B2Inkjet nozzle device with symmetrically constrained bubble formationMEMJET TECHNOLOGY LTD·Filed 2014·Granted Apr 7, 2015·2 cites·13 claims
- 3283US8453329B2Method of fabricating inkjet printhead having low-loss contact for thermal actuatorsNORTH ANGUS JOHN·Filed 2010·Granted Jun 4, 2013·4 cites·5 claims
- 3382US7980674B2Printhead incorporating pressure pulse diffusing structures between ink chambers supplied by same ink inletSILVERBROOK RES PTY LTD·Filed 2011·Granted Jul 19, 2011·3 cites·12 claims
- 3481US7556350B2Thermal inkjet printhead with low power consumptionSILVERBROOK RES PTY LTD·Filed 2006·Granted Jul 7, 2009·1 cites·18 claims
- 3580US12434478B2Compact inkjet nozzle device with high degree of symmetryMEMJET TECHNOLOGY LTD·Filed 2023·Granted Oct 7, 2025·0 cites·15 claims
- 3680US7780271B2Printhead with heaters offset from nozzlesSILVERBROOK RES PTY LTD·Filed 2007·Granted Aug 24, 2010·4 cites·16 claims
- 3779US7438390B2Printhead module assembly with A flexible PCBSILVERBROOK RES PTY LTD·Filed 2007·Granted Oct 21, 2008·4 cites·7 claims
- 3879US7278717B2Thermal ink jet printhead with suspended beam heaterSILVERBROOK RES PTY LTD·Filed 2003·Granted Oct 9, 2007·4 cites·47 claims
- 3976US7086719B2Inkjet printhead heater with high surface areaSILVERBROOK RES PTY LTD·Filed 2004·Granted Aug 8, 2006·10 cites·47 claims
- 4075US8075111B2Printhead with ink distribution through aligned aperturesSILVERBROOK KIA·Filed 2010·Granted Dec 13, 2011·0 cites·7 claims
- 4174US10822228B2Process for forming inkjet nozzle devicesMEMJET TECHNOLOGY LTD·Filed 2020·Granted Nov 3, 2020·0 cites·12 claims
- 4274US7901056B2Printhead with increasing drive pulse to counter heater oxide growthSILVERBROOK RES PTY LTD·Filed 2008·Granted Mar 8, 2011·3 cites·13 claims
- 4373US9545787B2Method of generating print data for inkjet printheadMEMJET TECHNOLOGY LTD·Filed 2014·Granted Jan 17, 2017·1 cites·15 claims
- 4473US9469098B2Method of inkjet printing and maintaining nozzle hydrationMEMJET TECHNOLOGY LTD·Filed 2014·Granted Oct 18, 2016·1 cites·19 claims
- 4573US9434156B2Method of inkjet printing and maintaining nozzle hydrationMEMJET TECHNOLOGY LTD·Filed 2014·Granted Sep 6, 2016·2 cites·19 claims
- 4673US8622508B2Printhead having variable drive pulses for fluid ejectionNORTH ANGUS JOHN·Filed 2011·Granted Jan 7, 2014·1 cites·5 claims
- 4772US12059898B2MEMS chip assembly having multiple trenchesMEMJET TECHNOLOGY LTD·Filed 2020·Granted Aug 13, 2024·0 cites·16 claims
- 4872US7686427B2Nozzle arrangement for an inkjet printer configured to minimize thermal lossesSILVERBROOK RES PTY LTD·Filed 2008·Granted Mar 30, 2010·2 cites·7 claims
- 4972US7677702B2Inkjet printhead comprising bonded heater element and dielectric layer with low thermal productSILVERBROOK RES PTY LTD·Filed 2008·Granted Mar 16, 2010·2 cites·15 claims
- 5072US7645029B2Inkjet printhead nozzle arrangement having non-coincident electrodesSILVERBROOK RES PTY LTD·Filed 2008·Granted Jan 12, 2010·2 cites·5 claims
Showing the top 50 of 99 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →