WI

Willem Lubertus Ijzerman

Philips: 31 patents #33 of 7,731Top 1%
Koniniklijke Philips N.V.: 11 patents #638 of 7,486Top 9%
SB Signify Holding B.V.: 2 patents #462 of 1,458Top 35%
PB Philips Lighting Holding B.V.: 1 patents #438 of 962Top 50%
Overall (All Time): #65,374 of 4,157,543Top 2%
45
Patents All Time

Issued Patents All Time

Showing 1–25 of 45 patents

Patent #TitleCo-InventorsDate
11499680 Servicing a luminaire with an unmanned vehicle Martinus Petrus Creusen, Lucas Leo Desiree Van Der Poel 2022-11-15
10670194 SSL lamp that includes three or more crossed elongated light emitting structures Michel Cornelis Josephus Marie Vissenberg, Malgorzata Perz, Dragan Sekulovski 2020-06-02
9766385 Illumination device with waveguide and LEDs Erik Boonekamp, Michel Cornelis Josephus Marie Vissenberg, Teunis Willem Tukker 2017-09-19
9411088 Illumination module Marcellinus Petrus Carolus Michael Krijn, Michel Cornelis Josephus Marie Vissenberg, Hugo Johan Cornelissen, Ramon Pascal Van Gorkom 2016-08-09
9411181 Display device Michel Cornelis Josephus Marie Vissenberg, Gabriela Binasch 2016-08-09
9377179 Color correcting optical element Teunis Willem Tukker, Cornelia Roline Prins 2016-06-28
9316841 Multiview display device Siebe Tjerk De Zwart, Ralph Braspenning, Marc Joseph Rita Op De Beeck, Robert-Paul Mario Berretty 2016-04-19
8891032 Multi-view display Hugo Cornelissen, Tim Dekker, Gerardus Petrus Karman 2014-11-18
8807816 Luminaire with Functionality-enhancing structure Lieven Raf Roger Desmet, Michel Cornelis Josephus Marie Vissenberg 2014-08-19
8770821 Optical arrangement with a light transmitting layer arranged to cover a portion of light entry surface of light guide and to transmit light diffusively Michel Cornelis Josephus Marie Vissenberg, Leendert Van Der Tempel, Florian Cosmin Sabou 2014-07-08
8770787 LED-based luminaire with adjustable beam shape Michel Cornelis Josephus Marie Vissenberg 2014-07-08
8531439 Switchable display device Marcellinus Petrus Carolus Michael Krijn 2013-09-10
8511878 Flat and thin LED-based luminary Michel Cornelis Josephus Marie Vissenberg 2013-08-20
8493440 Autostereoscopic display device Marcellinus Petrus Carolus Michael Krijn, Gerardus Petrus Karman, Oscar Henrikus Willemsen 2013-07-23
8469578 Optical element having at least one embedded reflector Hugo Johan Cornelissen, Hendrik Johannes Boudewijn Jagt 2013-06-25
8421723 Stereoscopic display apparatus 2013-04-16
8414162 Light guide and light-output device Fetze Pijlman, Hugo Johan Cornelissen, Marcellinus Petrus Carolus Michael Krijn, Ramon Pascal Van Gorkom, Oscar Hendrikus Willemsen +1 more 2013-04-09
8314897 2D/3D image display Hugo Johan Cornelissen 2012-11-20
8300162 Multi-view display Hugo Johan Cornelissen, Tim Dekker, Gerardus Petrus Karman 2012-10-30
8246235 Illumination system for luminaires and display device Hugo Johan Cornelissen 2012-08-21
8240854 Autostereoscopic display device and a system using the same Marcellinus Petrus Carolus Michael Krijn, Patrick Peter Elizabeth Meuwissen, Hans Zuidema, Siebe Tjerk De Zwart, Oscar Hendrikus Willemsen 2012-08-14
8192066 Tiled lighting device Peter Hubertus Franciscus Deurenberg, Michel Cornelis Josephus Marie Vissenberg, Erik Boonekamp 2012-06-05
8134590 Stereoscopic display apparatus Siebe Tjerk De Zwart, Tim Dekker 2012-03-13
8129731 Light emitting diode lighting device Michel Cornelis Josephus Marie Vissenberg 2012-03-06
8083390 Lighting device employing a light guide plate and a plurality of light emitting diodes Michel Cornelis Josephus Marie Vissenberg, Tim Dekker 2011-12-27