SG

Stefan Willi Julius Gruhlke

SB Signify Holding B.V.: 5 patents #189 of 1,458Top 15%
LU Lumileds: 2 patents #223 of 528Top 45%
U.S. Philips: 2 patents #2,537 of 8,851Top 30%
Philips: 1 patents #3,761 of 7,731Top 50%
PB Philips Lighting Holding B.V.: 1 patents #438 of 962Top 50%
📍 Baesweiler, DE: #6 of 51 inventorsTop 15%
Overall (All Time): #437,135 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
12397498 FDM printed item with dopant material Rifat Ata Mustafa Hikmet, Ties Van Bommel 2025-08-26
12337527 FDM printed luminaires with enhanced shiny appearance Rifat Ata Mustafa Hikmet, Ties Van Bommel 2025-06-24
12330366 3D printing of a reflector using polymer filled with metal coated glass or mica particles and reflector obtainable thereby Rifat Ata Mustafa Hikmet, Loes Johanna Mathilda Koopmans 2025-06-17
12145310 FDM printed luminaires with surface texture Rifat Ata Mustafa Hikmet, Loes Johanna Mathilda Koopmans 2024-11-19
11724444 Cross-linked polymer filled polymer for 3D printed items Rifat Ata Mustafa Hikmet 2023-08-15
10340427 Quantum dots with inorganic ligands in an inorganic matrix Patrick John Baesjou, Roelof Koole, Johannes Franciscus Maria Cillessen 2019-07-02
10113109 Oxo- and hydroxo-based composite inorganic ligands for quantum dots Patrick John Baesjou 2018-10-30
9810826 Light emitting device Dmitri Chestakov, Rifat Ata Mustafa Hikmet, Ties Van Bommel, Albert Bijlsma, Dirk Kornelis Gerhardus De Boer +2 more 2017-11-07
6520664 Pigment coated lamp and luminaire emitting colored light Thomas Amrein, Joachim Opitz 2003-02-18
5936340 Display screen comprising an adhesive layer Helmut Bechtel, Markus Haase, Joachim Opitz 1999-08-10
5360361 Method of manufacturing a display tube Helmut Bechtel, Wolfram Czarnojan, Ulrich Kynast 1994-11-01