Stephan Harkema
16Patents
3h-index
28Co-inventors
56Inventor score
Filing activity: Aug 6, 2010 → Aug 29, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US10292784B2 | Illuminating surgical device | Human Necessities | 34 | Active |
| US10213271B2 | Illuminating surgical device and control element | Mechanical Engineering; Lighting; Heating | 33 | Active |
| US9093666B2 | Light-emitting device and method for manufacturing the same | Electricity | 9 | Active |
| US10038168B2 | Photoactive birefringent materials in OLEDs | Emerging Cross-Sectional Technologies | 2 | Active |
| US11395712B1 | Illuminating surgical device | Human Necessities | 1 | Active |
| US9711758B2 | Organic light-emitting diode light source comprising a polyester film and a method of improving light extraction from said light source | Emerging Cross-Sectional Technologies | 1 | Active |
| US9333531B2 | Opto-electric device and method for manufacturing the same | Emerging Cross-Sectional Technologies | 1 | Active |
| US12185474B2 | Electronic device with multilayer laminate | Electricity | 0 | Active |
| US11175445B2 | Hot spot reduction in segmented flexible light guides | Physics | 0 | Active |
| US12336864B1 | Illuminating surgical device | Human Necessities | 0 | Active |
| US11474290B2 | Segmented light guide having light-blocking groove between segments, and a method of manufacturing | Physics | 0 | Active |
| US11921955B2 | Proximity sensitive display element | Electricity | 0 | Active |
| US11033352B2 | Illuminating surgical device and control element | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US12349286B2 | Recyclable electronic device | Electricity | 0 | Active |
| US12101887B2 | Preventing liquid ingress in a device | Electricity | 0 | Active |
| US12090001B2 | Illuminating surgical device and control element | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.