Markus Duelli
22Patents
7h-index
34Co-inventors
69Inventor score
Filing activity: Mar 3, 2000 → Mar 17, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6388359B1 | Method of actuating MEMS switches | Electricity | 66 | Expired |
| US6771001B2 | Bi-stable electrostatic comb drive with automatic braking | Electricity | 41 | Expired |
| US7170574B2 | Trim retarders incorporating negative birefringence | Physics | 23 | Expired |
| US6827450B1 | Scrolling color projection system | Physics | 22 | Expired |
| US8152307B2 | Diffractive optical element having periodically repeating phase mask and system for reducing perceived speckle | Physics | 20 | Active |
| US6795243B1 | Polarizing light pipe | Emerging Cross-Sectional Technologies | 17 | Expired |
| US9030749B2 | Bifocal head-up display system | Physics | 12 | Active |
| US10999524B1 | Temporal high dynamic range imaging using time-of-flight cameras | Electricity | 6 | Active |
| US6873768B2 | Compact optical fiber coupler | Physics | 6 | Expired |
| US8049825B2 | Laser projection source with birefringent wedge for speckle reduction | Electricity | 4 | Active |
| US8308302B2 | Laser scanning imaging system with reduced speckle | Electricity | 4 | Active |
| US9300930B2 | Multi-segment brightness compensation | Electricity | 3 | Active |
| US8304994B2 | Light collection system for an electrodeless RF plasma lamp | Emerging Cross-Sectional Technologies | 2 | Active |
| US11424827B1 | Optical tracking system | Physics | 2 | Active |
| US11770598B1 | Sensor assembly for acquiring images | Physics | 1 | Active |
| US11579014B1 | Optical detector system | Physics | 0 | Active |
| US8395714B2 | Scanned projection system using polymerized liquid crystal layer for speckle reduction | Physics | 0 | Active |
| US7626661B2 | Polarization controlling elements | Physics | 0 | Active |
| US8567957B2 | Active polarization switch for speckle reduction in laser projection sources | Electricity | 0 | Active |
| US8721092B2 | Wide field of view substrate guided relay | Electricity | 0 | Active |
| US12032079B1 | Optical detector system with multiple path lengths | Electricity | 0 | Active |
| US8287128B2 | Laser projection source with polarization diversity element for speckle reduction | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.