Inventor
HEIKMAN STEN
US39 patents
⚠️ This page may combine multiple inventors who share the name “HEIKMAN STEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CREE INC
12 patentsUS7985986B2Jul 26, 2011
Normally-off semiconductor devices
CREE INC118 citations99
US9818919B2Nov 14, 2017
LED package with multiple element light source and encapsulant having planar surfaces
CREE INC28 citations94
US9461201B2Oct 4, 2016
Light emitting diode dielectric mirror
CREE INC27 citations94
US7985970B2Jul 26, 2011
High voltage low current surface-emitting LED
CREE INC18 citations93
US9048396B2Jun 2, 2015
LED package with encapsulant having planar surfaces
CREE INC27 citations92
US9865780B2Jan 9, 2018
LED package with encapsulant having planar surfaces
CREE INC5 citations84
US9435492B2Sep 6, 2016
LED luminaire with improved thermal management and novel LED interconnecting architecture
CREE INC8 citations84
US7834367B2Nov 16, 2010
Low voltage diode with reduced parasitic resistance and method for fabricating
CREE INC4 citations74
US10439107B2Oct 8, 2019
Chip with integrated phosphor
CREE INC6 citations73
US8344398B2Jan 1, 2013
Low voltage diode with reduced parasitic resistance and method for fabricating
CREE INC2 citations63
US9041139B2May 26, 2015
Low voltage diode with reduced parasitic resistance and method for fabricating
CREE INC0 citations52
US10658546B2May 19, 2020
High efficiency LEDs and methods of manufacturing
CREE INC0 citations35
KYOCERA SLD LASER INC
8 patentsUS11437774B2Sep 6, 2022
High-luminous flux laser-based white light source
KYOCERA SLD LASER INC8 citations85
US12264796B2Apr 1, 2025
Laser high beam and low beam headlamp apparatus
KYOCERA SLD LASER INC0 citations62
US12218477B2Feb 4, 2025
High-luminous flux laser-based white light source
KYOCERA SLD LASER INC0 citations62
US11973308B2Apr 30, 2024
Integrated white light source using a laser diode and a phosphor in a surface mount device package
KYOCERA SLD LASER INC0 citations62
US11906121B1Feb 20, 2024
Laser high beam and low beam headlamp apparatus and method
KYOCERA SLD LASER INC1 citations62
US12283790B2Apr 22, 2025
Laser-phosphor integrated light source
KYOCERA SLD LASER INC0 citations52
US12152742B2Nov 26, 2024
Laser-based light guide-coupled wide-spectrum light system
KYOCERA SLD LASER INC0 citations45
US12374854B2Jul 29, 2025
Laser-based integrated light source
KYOCERA SLD LASER INC0 citations40
HEIKMAN STEN
6 patentsUS8592868B2Nov 26, 2013
Normally-off semiconductor devices
HEIKMAN STEN22 citations92
US8198178B2Jun 12, 2012
Methods of fabricating normally-off semiconductor devices
HEIKMAN STEN16 citations92
US8212290B2Jul 3, 2012
High temperature performance capable gallium nitride transistor
HEIKMAN STEN14 citations84
US9105824B2Aug 11, 2015
High reflective board or substrate for LEDs
HEIKMAN STEN9 citations83
US9362459B2Jun 7, 2016
High reflectivity mirrors and method for making same
HEIKMAN STEN13 citations82
US9240473B2Jan 19, 2016
High temperature performance capable gallium nitride transistor
HEIKMAN STEN1 citations52
IBBETSON JAMES
3 patentsUS8530921B2Sep 10, 2013
High voltage low current surface emitting LED
IBBETSON JAMES5 citations84
US8476668B2Jul 2, 2013
High voltage low current surface emitting LED
IBBETSON JAMES8 citations84
US9093293B2Jul 28, 2015
High voltage low current surface emitting light emitting diode
IBBETSON JAMES5 citations70