Inventor
Petrus Maria De Greef
Inventor
Waalre, NL
Overview
Patents· 33 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G09Gprimary
G09GArrangements or circuits for control of indicating devices using static means to present variable information50%
G02BOptical elements, systems or apparatus34%
H04NPictorial communication, e.g. television10%
G06FElectric digital data processing4%
H05BElectric heating2%
PatentTitleYear
10,490,141Reset pulse control to manage flicker of an electrowetting display device201910,311,805System and method for driving electrowetting display device201910,297,211Photo sensitive control for an electrowetting display device201910,269,311Control system for an electrowetting display device with memory controller201910,255,835Luminance and reducing power consumption in electrowetting displays201910,241,320Electrowetting element with shaped support plate surface portion201910,235,948Electrowetting element with stable fluid configurations201910,127,868Method of controlling subpixels in an array of electrowetting elements201810,074,321Controller and methods for quantization and error diffusion in an electrowetting display device201810,067,335Electrowetting element with shaped color filter201810,043,459Display timing controller with single-frame buffer memory201810,043,456Controller and methods for adjusting performance properties of an electrowetting display device20189,952,423Method of controlling an electrowetting element with stable fluid configurations20189,904,048'Electrowetting display device with shaped colour filter'20189,865,200'System and method for driving electrowetting display device'20189,824,637'Reducing visual artifacts and reducing power consumption in electrowetting displays'20179,798,133'Electrowetting element with white filter'20179,746,663'Electrowetting pixel with two electrowetting elements'20179,740,000'Electrowetting display device with shaped colour filter'20179,728,143'System and method for driving electrowetting display device'20179,659,534'Reducing visual artifacts and reducing power consumption in electrowetting displays'20179,453,998'Distribution of subpixels in an electrowetting element'20169,423,607'Configuration of electrowetting elements in an array'20168,836,770'3D display'20148,723,778'Overdrive technique for display drivers'20148,537,076'Video circuit'20138,466,924'Displaying on a matrix display'20138,441,498'Device and method for processing color image data'20138,193,741'Boosting driver circuit for light-emitting diodes'20128,026,953'Method for processing color image data'20117,825,942'Image processing method and apparatus adjusting image data in accordance with image data sub-pixels'20107,701,450'Line scanning in a display'20106,710,772'Plasma display panel and method of driving thereof'2004Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2004–2014Based in Eindhoven, NL· patent location history
2010–2014Patents assigned to NXP BV (4)· patent assignee history
2010–2019Based in Waalre, NL· patent location history
2012–2014Patents assigned to DE GREEF PETRUS MARIA (5)· patent assignee history
2013Patents assigned to ENTROPIC COMMUNICATIONS INC (3)· patent assignee history
2013Patents assigned to BEUKER ROB ANNE (1)· patent assignee history
2016–2019Patents assigned to AMAZON TECH INC (23)· patent assignee history
2018Based in Waarle, NL· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| AMAZON TECH INC | 23 | 2016–2019 |
| DE GREEF PETRUS MARIAself | 5 | 2012–2014 |
| NXP BV | 4 | 2010–2014 |
| ENTROPIC COMMUNICATIONS INC | 3 | 2013 |
| BEUKER ROB ANNE | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Waalre, NL | 26 | 2010–2019 |
| Eindhoven, NL | 6 | 2004–2014 |
| Waarle, NL | 1 | 2018 |