Inventor · Goleta, CA, US

Sten Heikman

40Patents
12h-index
45Co-inventors
81Inventor score

Filing activity: Oct 12, 2004 → Jan 2, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
US7985986B2 Normally-off semiconductor devices Electricity 92 Active
US7700973B2 GaN/AlGaN/GaN dispersion-free high electron mobility transistors Electricity 31 Expired
US9818919B2 LED package with multiple element light source and encapsulant having planar surfaces Electricity 22 Active
US8686429B2 LED structure with enhanced mirror reflectivity Electricity 21 Active
US9461201B2 Light emitting diode dielectric mirror Electricity 21 Active
US9048396B2 LED package with encapsulant having planar surfaces Electricity 18 Active
US7985970B2 High voltage low current surface-emitting LED Electricity 15 Active
USD718258S1 LED package General 15 Active
US8592868B2 Normally-off semiconductor devices Electricity 14 Active
US9362459B2 High reflectivity mirrors and method for making same Electricity 14 Active
USD711840S1 LED package General 13 Active
US8198178B2 Methods of fabricating normally-off semiconductor devices Electricity 12 Active
US9711633B2 Methods of forming group III-nitride semiconductor devices including implanting ions directly into source and drain regions and annealing to activate the implanted ions Electricity 10 Active
US10879673B2 Integrated white light source using a laser diode and a phosphor in a surface mount device package Electricity 10 Active
US8212290B2 High temperature performance capable gallium nitride transistor Electricity 8 Active
USD725613S1 LED package General 8 Active
US11437774B2 High-luminous flux laser-based white light source Electricity 7 Active
US10439107B2 Chip with integrated phosphor Electricity 6 Active
US8476668B2 High voltage low current surface emitting LED Electricity 6 Active
US9105824B2 High reflective board or substrate for LEDs Electricity 6 Active
US8878245B2 Transistors and method for making ohmic contact to transistors Electricity 6 Active
US9435492B2 LED luminaire with improved thermal management and novel LED interconnecting architecture Mechanical Engineering; Lighting; Heating 5 Active
US9093293B2 High voltage low current surface emitting light emitting diode Electricity 4 Active
US7834367B2 Low voltage diode with reduced parasitic resistance and method for fabricating Electricity 3 Active
US9865780B2 LED package with encapsulant having planar surfaces Electricity 3 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.