Inventor · disambiguated record
Stefan Willi Julius Gruhlke
Also filed as: GRUHLKE STEFAN · GRUHLKE STEFAN WILLI JUKIUS · GRUHLKE STEFAN WILLI JULIUS
12 granted patents·9 pending applications·27 citations·filing 1993–2025
86Inventor score
Files withSIGNIFY HOLDING BV12KONINKL PHILIPS ELECTRONICS NV3KONINKLIJKE PHILIPS NV2PHILIPS CORP2LUMILEDS LLC1
Top patents by PatentIndex Score
21 records- 0191US9810826B2Light emitting devicePHILIPS LIGHTING HOLDING BV·Filed 2015·Granted Nov 7, 2017·11 cites·15 claims
- 0287US10113109B2Oxo- and hydroxo-based composite inorganic ligands for quantum dotsKONINKLIJKE PHILIPS NV·Filed 2015·Granted Oct 30, 2018·4 cites·10 claims
- 0385US2025353250A1Fdm printed item with dopant materialSIGNIFY HOLDING BV·Filed 2025·Application pending·0 cites
- 0480US10340427B2Quantum dots with inorganic ligands in an inorganic matrixLUMILEDS LLC·Filed 2015·Granted Jul 2, 2019·2 cites·11 claims
- 0576US2025345987A1Fdm filaments using metal coated glass for 3d printingSIGNIFY HOLDING BV·Filed 2025·Application pending·0 cites
- 0675US12496772B2Method for including voids in polymer filaments for FDM printingSIGNIFY HOLDING BV·Filed 2021·Granted Dec 16, 2025·0 cites·8 claims
- 0770US12397498B2FDM printed item with dopant materialSIGNIFY HOLDING BV·Filed 2020·Granted Aug 26, 2025·0 cites·8 claims
- 0865US12330366B23D printing of a reflector using polymer filled with metal coated glass or mica particles and reflector obtainable therebySIGNIFY HOLDING BV·Filed 2018·Granted Jun 17, 2025·0 cites·8 claims
- 0963US11724444B2Cross-linked polymer filled polymer for 3D printed itemsSIGNIFY HOLDING BV·Filed 2019·Granted Aug 15, 2023·0 cites·14 claims
- 1055US12145310B2FDM printed luminaires with surface textureSIGNIFY HOLDING BV·Filed 2018·Granted Nov 19, 2024·0 cites·16 claims
- 1154US2023311405A1Retroreflective surface using 3d printingSIGNIFY HOLDING BV·Filed 2021·Application pending·0 cites
- 1253US2011076196A1Photochemical reactor, luminescent screen and photochemical processing systemKONINKL PHILIPS ELECTRONICS NV·Filed 2009·Application pending·0 cites
- 1352US6520664B1Pigment coated lamp and luminaire emitting colored lightKONINKL PHILIPS ELECTRONICS NV·Filed 2000·Granted Feb 18, 2003·4 cites·16 claims
- 1448US2021154913A1Fdm printed luminaires with surface textureSIGNIFY HOLDING BV·Filed 2018·Application pending·0 cites
- 1548US2021138721A1Printed structure with metallic appearanceSIGNIFY HOLDING BV·Filed 2019·Application pending·0 cites
- 1647US12337527B2FDM printed luminaires with enhanced shiny appearanceSIGNIFY HOLDING BV·Filed 2020·Granted Jun 24, 2025·0 cites·13 claims
- 1747US2020223130A1Hiding optical defect lines on parts of fdm printed luminaires with metallic lookSIGNIFY HOLDING BV·Filed 2018·Application pending·0 cites
- 1841US2009087156A1Optical device with channel waveguide structure and method of fabricatingKONINKL PHILIPS ELECTRONICS NV·Filed 2007·Application pending·0 cites
- 1939US2018169562A1Capture and removal of targeted gasKONINKLIJKE PHILIPS NV·Filed 2016·Application pending·0 cites
- 2037US5360361AMethod of manufacturing a display tubePHILIPS CORP·Filed 1993·Granted Nov 1, 1994·4 cites·14 claims
- 2134US5936340ADisplay screen comprising an adhesive layerPHILIPS CORP·Filed 1997·Granted Aug 10, 1999·2 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →