Inventor · disambiguated record
Petrus Maria De Greef
Also filed as: DE GREEF PETRUS M · DE GREEF PETRUS MARIA
33 granted patents·13 pending applications·98 citations·filing 2002–2017
95Inventor score
Files withAMAZON TECH INC25DE GREEF PETRUS MARIA6NXP BV5DATANG NXP SEMICONDUCTORS CO LTD2KONINKL PHILIPS ELECTRONICS NV2
Top patents by PatentIndex Score
46 records- 0197US10043459B1Display timing controller with single-frame buffer memoryAMAZON TECH INC·Filed 2016·Granted Aug 7, 2018·17 cites·23 claims
- 0297US10043456B1Controller and methods for adjusting performance properties of an electrowetting display deviceAMAZON TECH INC·Filed 2015·Granted Aug 7, 2018·18 cites·15 claims
- 0389US9824637B2Reducing visual artifacts and reducing power consumption in electrowetting displaysAMAZON TECH INC·Filed 2015·Granted Nov 21, 2017·5 cites·19 claims
- 0487US10297211B1Photo sensitive control for an electrowetting display deviceAMAZON TECH INC·Filed 2015·Granted May 21, 2019·4 cites·20 claims
- 0587US8026953B2Method for processing color image dataSAMSUNG ELECTRONICS CO LTD·Filed 2005·Granted Sep 27, 2011·16 cites·15 claims
- 0684US7825942B2Image processing method and apparatus adjusting image data in accordance with image data sub-pixelsNXP BV·Filed 2005·Granted Nov 2, 2010·6 cites·20 claims
- 0781US9740000B2Electrowetting display device with shaped colour filterAMAZON TECH INC·Filed 2014·Granted Aug 22, 2017·3 cites·25 claims
- 0879US8441498B2Device and method for processing color image dataLAMMERS MATHEUS J G·Filed 2007·Granted May 14, 2013·9 cites·16 claims
- 0978US10490141B1Reset pulse control to manage flicker of an electrowetting display deviceAMAZON TECH INC·Filed 2015·Granted Nov 26, 2019·2 cites·20 claims
- 1076US10074321B2Controller and methods for quantization and error diffusion in an electrowetting display deviceAMAZON TECH INC·Filed 2016·Granted Sep 11, 2018·2 cites·18 claims
- 1174US9798133B2Electrowetting element with white filterAMAZON TECH INC·Filed 2015·Granted Oct 24, 2017·2 cites·18 claims
- 1268US9659534B2Reducing visual artifacts and reducing power consumption in electrowetting displaysAMAZON TECH INC·Filed 2014·Granted May 23, 2017·1 cites·18 claims
- 1367US10269311B2Control system for an electrowetting display device with memory controllerAMAZON TECH INC·Filed 2016·Granted Apr 23, 2019·1 cites·20 claims
- 1466US8723778B2Overdrive technique for display driversDE GREEF PETRUS MARIA·Filed 2005·Granted May 13, 2014·1 cites·16 claims
- 1566US8193741B2Boosting driver circuit for light-emitting diodesDE GREEF PETRUS MARIA·Filed 2009·Granted Jun 5, 2012·3 cites·20 claims
- 1665US8466924B2Displaying on a matrix displayDE GREEF PETRUS MARIA·Filed 2005·Granted Jun 18, 2013·1 cites·11 claims
- 1764US9952423B2Method of controlling an electrowetting element with stable fluid configurationsAMAZON TECH INC·Filed 2016·Granted Apr 24, 2018·1 cites·20 claims
- 1862US9423607B1Configuration of electrowetting elements in an arrayAMAZON TECH INC·Filed 2015·Granted Aug 23, 2016·1 cites·25 claims
- 1961US2015104673A1Daisy-chain communication bus and protocolDATANG NXP SEMICONDUCTORS CO LTD·Filed 2013·Application pending·0 cites
- 2058US10311805B2System and method for driving electrowetting display deviceAMAZON TECH INC·Filed 2017·Granted Jun 4, 2019·0 cites·20 claims
- 2156US6710772B2Plasma display panel and method of driving thereofKONINKL PHILIPS ELECTRONICS NV·Filed 2002·Granted Mar 23, 2004·4 cites·15 claims
- 2254US9728143B2System and method for driving electrowetting display deviceAMAZON TECH INC·Filed 2015·Granted Aug 8, 2017·0 cites·20 claims
- 2352US2010085297A1Display system and method of controlling a display systemNXP BV·Filed 2008·Application pending·0 cites
- 2452US2015102943A1Daisy-chain communication bus and protocolDATANG NXP SEMICONDUCTORS CO LTD·Filed 2013·Application pending·0 cites
- 2551US9904048B2Electrowetting display device with shaped colour filterAMAZON TECH INC·Filed 2014·Granted Feb 27, 2018·0 cites·22 claims
- 2651US2010097308A1Liquid crystal display device and method for driving a liquid crystal display deviceNXP BV·Filed 2007·Application pending·0 cites
- 2750US8836770B23D displayDE GREEF PETRUS MARIA·Filed 2010·Granted Sep 16, 2014·0 cites·20 claims
- 2849US10241320B2Electrowetting element with shaped support plate surface portionAMAZON TECH INC·Filed 2016·Granted Mar 26, 2019·0 cites·26 claims
- 2947US7701450B2Line scanning in a displayTRIDENT MICROSYSTEMS FAR EAST·Filed 2003·Granted Apr 20, 2010·1 cites·14 claims
- 3047US2010110000A1Visual display system and method for displaying a video signalNXP BV·Filed 2008·Application pending·0 cites
- 3146US10255835B2Luminance and reducing power consumption in electrowetting displaysAMAZON TECH INC·Filed 2015·Granted Apr 9, 2019·0 cites·20 claims
- 3245US2015029236A1Apparatus and method for driving a displayDE GREEF PETRUS MARIA·Filed 2012·Application pending·0 cites
- 3343US8537076B2Video circuitDE GREEF PETRUS MARIA·Filed 2003·Granted Sep 17, 2013·0 cites·8 claims
- 3442US9865200B2System and method for driving electrowetting display deviceAMAZON TECH INC·Filed 2015·Granted Jan 9, 2018·0 cites·17 claims
- 3541US10235948B2Electrowetting element with stable fluid configurationsAMAZON TECH INC·Filed 2016·Granted Mar 19, 2019·0 cites·26 claims
- 3641US2011063338A1Image display device and method of its operationNXP BV·Filed 2010·Application pending·0 cites
- 3740US9746663B2Electrowetting pixel with two electrowetting elementsAMAZON TECH INC·Filed 2015·Granted Aug 29, 2017·0 cites·24 claims
- 3840US9453998B1Distribution of subpixels in an electrowetting elementAMAZON TECH INC·Filed 2015·Granted Sep 27, 2016·0 cites·22 claims
- 3939US2005035928A1Method of an apparatus for driving a plasma display panelFiled 2003·Application pending·0 cites
- 4039US2005083250A1Addressing cells of a display panelKONINKL PHILIPS ELECTRONICS NV·Filed 2002·Application pending·0 cites
- 4138US2005093775A1Method of driving a plasma display panelFiled 2003·Application pending·0 cites
- 4238US2018174528A1Control system for an electrowetting display device with rendering engineAMAZON TECH INC·Filed 2016·Application pending·0 cites
- 4338US2018174527A1Control system for an electrowetting display deviceAMAZON TECH INC·Filed 2016·Application pending·0 cites
- 4437US10127868B2Method of controlling subpixels in an array of electrowetting elementsAMAZON TECH INC·Filed 2015·Granted Nov 13, 2018·0 cites·23 claims
- 4537US10067335B1Electrowetting element with shaped color filterAMAZON TECH INC·Filed 2015·Granted Sep 4, 2018·0 cites·13 claims
- 4633US2005219270A1Display of high quality pictures on a low performance displayDE GREEF PETRUS M·Filed 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →