Rene Helbing
75Patents
12h-index
54Co-inventors
87Inventor score
Filing activity: Jun 17, 1996 → Aug 19, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5847507A | Fluorescent dye added to epoxy of light emitting diode lens | Electricity | 234 | Expired |
| US6157432A | Heated ferroelectric liquid crystal spatial light modulator with improved contrast, improved grayscale resolution, and decreased pixel sticking when operated in a non-DC balanced mode | Physics | 185 | Expired |
| US6735328B1 | Personal viewing device with system for providing identification information to a connected system | Physics | 103 | Expired |
| US6690854B2 | Optical wavelength division multiplexer | Physics | 50 | Expired |
| US7629968B2 | Methods and systems for detecting selections on a touch screen display | Physics | 47 | Active |
| US6362573B1 | Apparatus and method for monitoring the life of arc lamp bulbs | Emerging Cross-Sectional Technologies | 25 | Expired |
| US7280201B2 | Sensor having integrated light detector and/or light source | Physics | 23 | Expired |
| US7988311B2 | Light emitting device having a phosphor layer | Emerging Cross-Sectional Technologies | 21 | Active |
| US5942284A | Growth of electroluminescent phosphors by MOCVD | Chemistry; Metallurgy | 19 | Expired |
| US7535524B2 | Display panel with wavelength converting material and control interface to switchably control independent projection or non-projection of primary and secondary IMAGES | Physics | 19 | Active |
| US8068140B2 | Still image stabilization suitable for compact camera environments | Physics | 15 | Active |
| US8922106B2 | Light source with optics to produce a spherical emission pattern | Mechanical Engineering; Lighting; Heating | 14 | Active |
| US7295329B2 | Position detection system | Physics | 12 | Expired |
| US6198523A | Ferroelectric liquid crystal light doubler with temperature and voltage controlled tilt angle | Physics | 10 | Expired |
| US7557338B2 | Electronic device with integrated optical navigation module and microlens array therefore | Physics | 9 | Expired |
| US7382976B1 | Light source having a variable focal length | Electricity | 9 | Active |
| US8159131B2 | Light emitting device having a transparent thermally conductive layer | Electricity | 9 | Active |
| US7391008B2 | Method and system for wavelength-dependent imaging and detection using a hybrid filter | Physics | 8 | Active |
| US6498632B1 | Color reflective ferroelectric liquid crystal light valve with three spatial light modulators and increased light throughput | Physics | 8 | Expired |
| US7519287B2 | Electronic flash, imaging device and method for producing a flash of light having a rectangular radiation pattern | Physics | 8 | Active |
| US7391512B2 | Integrated optoelectronic system for measuring fluorescence or luminescence emission decay | Physics | 8 | Expired |
| US6313820A | Method of operating a ferroelectric liquid crystal spatial light modulator in non-DC balanced mode with decreased pixel sticking | Physics | 7 | Expired |
| US7777781B2 | Method and system for determining the motion of an imaging apparatus | Physics | 7 | Active |
| US7609291B2 | Device and method for producing an enhanced color image using a flash of infrared light | Physics | 7 | Active |
| US6262829A | Method of digital grayscale control using modulation of a slow-acting light source | Electricity | 6 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.