David P. Ramer
186Patents
23h-index
55Co-inventors
93Inventor score
Filing activity: Jan 23, 1996 → Dec 28, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6995355B2 | Optical integrating chamber lighting using multiple color sources | Emerging Cross-Sectional Technologies | 142 | Expired |
| US5914487A | Radiant energy transducing apparatus with constructive occlusion | Physics | 85 | Expired |
| US5877490A | Quadrant light detector | Physics | 85 | Expired |
| US6007225A | Directed lighting system utilizing a conical light deflector | Physics | 73 | Expired |
| US6043873A | Position tracking system | Physics | 62 | Expired |
| US8928232B2 | Lighting network with autonomous commissioning | Emerging Cross-Sectional Technologies | 60 | Active |
| US5705804A | Quadrant light detector | Physics | 59 | Expired |
| US6286979A | Constructive occlusion lighting system with ported cavity and fan structure | Mechanical Engineering; Lighting; Heating | 50 | Expired |
| US7521667B2 | Intelligent solid state lighting | Emerging Cross-Sectional Technologies | 50 | Active |
| US8755039B2 | Lighting devices with sensors for detecting one or more external conditions and networked system using such devices | Emerging Cross-Sectional Technologies | 50 | Active |
| US8118454B2 | Solid state lighting system with optic providing occluded remote phosphor | Mechanical Engineering; Lighting; Heating | 40 | Active |
| US6238077A | Apparatus for projecting electromagnetic radiation with a tailored intensity distribution | Physics | 39 | Expired |
| US5877849A | Object detection system | Physics | 38 | Expired |
| US6266136A | Position tracking system | Physics | 36 | Expired |
| US7148470B2 | Optical integrating chamber lighting using multiple color sources | Emerging Cross-Sectional Technologies | 34 | Expired |
| US6334700B2 | Direct view lighting system with constructive occlusion | Emerging Cross-Sectional Technologies | 33 | Expired |
| US7121690B1 | Constructive occlusion with a transmissive component | Mechanical Engineering; Lighting; Heating | 32 | Expired |
| US9554447B2 | Head-wearable user interface device for lighting related operations | Emerging Cross-Sectional Technologies | 31 | Active |
| US7845825B2 | Light fixture using near UV solid state device and remote semiconductor nanophosphors to produce white light | Electricity | 30 | Active |
| US8021008B2 | Solid state lighting using quantum dots in a liquid | Mechanical Engineering; Lighting; Heating | 29 | Active |
| US5733028A | Apparatus for projecting electromagnetic radiation with a tailored intensity distribution | Physics | 27 | Expired |
| US6342695B1 | Enhancements in radiant energy transducer systems | Physics | 25 | Expired |
| US9538617B2 | Networked system of intelligent lighting devices with sharing of processing resources of the devices with other entities | Emerging Cross-Sectional Technologies | 23 | Active |
| US5967652A | Apparatus for projecting electromagnetic radiation with a tailored intensity distribution | Physics | 23 | Expired |
| US8212469B2 | Lamp using solid state source and doped semiconductor nanophosphor | Emerging Cross-Sectional Technologies | 23 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.