David A. Coleman
49Patents
12h-index
33Co-inventors
81Inventor score
Filing activity: Oct 21, 1985 → May 1, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6185427A | Distributed satellite position system processing and application network | Physics | 542 | Expired |
| US6097995A | Hazardous materials and waste reduction management system | Physics | 165 | Expired |
| US6860452B2 | Aircraft flight surface control system | Performing Operations; Transporting | 70 | Expired |
| US5717756A | System and method for providing masquerade protection in a computer network using hardware and timestamp-specific single use keys | Electricity | 68 | Expired |
| US7898734B2 | Polarization preserving front projection screen | Emerging Cross-Sectional Technologies | 56 | Active |
| US8004758B2 | Polarization preserving front projection screen microstructures | Emerging Cross-Sectional Technologies | 40 | Active |
| US7747519B2 | System and method for verifying loan data at delivery | Physics | 35 | Expired |
| US8194315B2 | Polarization preserving projection screen with engineered particle and method for making same | Emerging Cross-Sectional Technologies | 23 | Active |
| US8724218B2 | Speckle reduction using screen vibration techniques and apparatus | Physics | 16 | Active |
| US7139791B1 | Apparatus and method for providing access to a data stream by a plurality of users at a same time | Electricity | 14 | Expired |
| US8072681B2 | Polarization preserving front projection screen material | Emerging Cross-Sectional Technologies | 14 | Active |
| US8711477B2 | Polarization preserving front projection screen microstructures | Emerging Cross-Sectional Technologies | 12 | Active |
| US8169699B2 | Polarization preserving projection screen with engineered pigment and method for making same | Emerging Cross-Sectional Technologies | 10 | Active |
| US8687275B2 | Curved retarder-based optical filters | Emerging Cross-Sectional Technologies | 9 | Active |
| US8328362B2 | Waveplate compensation in projection polarization conversion system | Electricity | 9 | Active |
| US8540372B2 | Waveplate compensation in projection polarization conversion systems | Electricity | 9 | Active |
| US8851680B2 | Polarization compensated stereoscopic systems | Physics | 8 | Active |
| US9046755B2 | High elastic modulus projection screen substrates | Physics | 8 | Active |
| US9709883B2 | High elastic modulus projection screen substrates | Physics | 8 | Active |
| US9823561B2 | Method and apparatus for joining screen material for minimal optical distortion | Emerging Cross-Sectional Technologies | 8 | Active |
| US9457523B2 | Curved retarder-based optical filters | Emerging Cross-Sectional Technologies | 8 | Active |
| US8526106B2 | Method and apparatus for managing optical non-uniformities in seaming processes | Emerging Cross-Sectional Technologies | 8 | Active |
| US8760760B2 | Cleanable coating for projection screen | Emerging Cross-Sectional Technologies | 8 | Active |
| US8746876B2 | Stereoscopic eyewear with stray light management | Emerging Cross-Sectional Technologies | 7 | Active |
| US9459463B2 | Polarization compensated stereoscopic projection | Physics | 7 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.