David Grey
6Patents
4h-index
6Co-inventors
50Inventor score
Filing activity: Jun 8, 1978 → Aug 14, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4613877A | High resolution laser printer | Physics | 52 | Expired |
| US10114220B2 | Exit pupil expanding diffractive optical waveguiding device | Physics | 36 | Active |
| US4215263A | Drawing optical waveguides by heating with laser radiation | Chemistry; Metallurgy | 29 | Expired |
| US10359635B2 | Exit pupil expanding diffractive optical waveguiding device | Physics | 26 | Active |
| US10634925B2 | Display system | Physics | 3 | Active |
| US4264349A | Drawing optical waveguides by heating with laser radiation | Chemistry; Metallurgy | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.