JG

Jan De Graaf

SB Signify Holding B.V.: 8 patents #101 of 1,458Top 7%
Philips: 6 patents #792 of 7,731Top 15%
LU Lumileds: 3 patents #161 of 528Top 35%
PB Philips Lighting Holding B.V.: 3 patents #187 of 962Top 20%
HB Hoogovens Groep B.V.: 1 patents #37 of 138Top 30%
PC Philips Lumileds Lighting Company: 1 patents #104 of 181Top 60%
Overall (All Time): #176,529 of 4,157,543Top 5%
23
Patents All Time

Issued Patents All Time

Showing 1–23 of 23 patents

Patent #TitleCo-InventorsDate
12410891 Lightguide lamp with crosstalk prevention Johannes Petrus Maria Ansems 2025-09-09
12222074 Light emitting diode filament Grigory Onushkin, Aldegonda Lucia Weijers 2025-02-11
12196376 Lightguide lamp Johannes Petrus Maria Ansems, MICHAL JAN HORACZEK, Wessel Peter Deurwaarder 2025-01-14
12092271 Optical and thermal improvement of a two-sided multi-channel filament MARTINUS ARNOLDUS CORNELIS HEIJMANS, Aldegonda Lucia Weijers, Eric Cornelis Egbertus Van Grunsven 2024-09-17
11493194 Lighting device module for wireless connectivity and corresponding method Lambertus Adrianus Marinus De Jong, Franciscus Jacobus Vossen 2022-11-08
10928032 Light emitting device Michel Cornelis Josephus Marie Vissenberg, Grigory Onushkin, Lambert J. Stil 2021-02-23
10756074 Light emitting assembly, a spot lamp and luminaire Michel Cornelis Josephus Marie Vissenberg, Ludovicus Johannes Lambertus Haenen 2020-08-25
10533726 Optical arrangement, lighting device and illumination method Siebe De Zwart, Michel Cornelis Josephus Marie Vissenberg 2020-01-14
10290775 Luminescent ceramic for a light emitting device Gerd O. Mueller, Regina B. Mueller-Mach, Michael R. Krames, Peter Josef Schmidt, Hans-Helmut Bechtel +2 more 2019-05-14
10208941 Lamp comprising cooling means Edwin de Groot, Simon Jacobus Maria Kuppens, Simon Eme Kadijk 2019-02-19
10047945 Lighting device Vincent Stefan David Gielen, BRIAN DAVID CLARKE 2018-08-14
9791141 Light emitting diode module Martinus Petrus Creusen 2017-10-17
9722148 Luminescent ceramic for a light emitting device Gerd O. Mueller, Regina B. Mueller-Mach, Michael R. Krames, Peter Josef Schmidt, Hans-Helmut Bechtel +2 more 2017-08-01
9359260 Luminescent ceramic for a light emitting device Gerd O. Mueller, Regina B. Mueller-Mach, Michael R. Krames, Peter Josef Schmidt, Hans-Helmut Bechtel +2 more 2016-06-07
8513691 Light emitting device including reflective optic housing at least partially filled with reflective material Marten Sikkens, Josef Andreas Schug 2013-08-20
8496852 Phosphor in polycrystalline ceramic structure and a light-emitting element comprisng same Theo Arnold Kop 2013-07-30
8425052 Illumination system, method and projection device for controlling light emitted during a spoke time period Martinus Petrus Joseph Peeters, Marcellus Jacobus Johannes Van Der Lubbe, Elvira Johanna Maria Paulussen, Daniel Anton Benoy 2013-04-23
8338846 Wavelength converted light emitting diode with reduced emission of unconverted light Martinus Petrus Joseph Peeters, Elvira Johanna Maria Paulussen, Daniel Anton Benoy, Marcellus Jacobus Johannes Van Der Lubbe, George Hubert Borel +1 more 2012-12-25
8190007 Calibration camera with spectral depth Eduard Johannes Meijer, Marcus Antonius Verschuuren 2012-05-29
8121166 Side-emitting LED light source for backlighting applications Hendrik Adrianus Van Sprang 2012-02-21
7879258 Phosphor in polycrystalline ceramic structure and a light-emitting element comprising same Theo Arnold Kop 2011-02-01
7361938 Luminescent ceramic for a light emitting device Gerd O. Mueller, Regina B. Mueller-Mach, Michael R. Krames, Peter Josef Schmidt, Hans-Helmut Bechtel +2 more 2008-04-22
4569508 Metallurgical vessel having an opening and a flange around the opening 1986-02-11