David Graham
12Patents
9h-index
12Co-inventors
69Inventor score
Filing activity: Oct 12, 1990 → Feb 19, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5914709A | User input device for a computer system | Physics | 181 | Expired |
| US6351260B1 | User input device for a computer system | Physics | 85 | Expired |
| US7099553B1 | Apparatus and method for generating a lamina of light | Physics | 45 | Expired |
| US6181842A | Position digitizer waveguide array with integrated collimating optics | Physics | 38 | Expired |
| US5093861A | Recognition apparatus and method for security systems | Physics | 28 | Expired |
| US5765803A | Vehicle seat suspension system | Performing Operations; Transporting | 20 | Expired |
| US7786983B2 | Apparatus and method for a data input device using a light lamina screen | Physics | 13 | Expired |
| USD890830S1 | Camera | General | 13 | Active |
| US7520050B2 | Apparatus and method for a molded waveguide for use with touch screen displays | Emerging Cross-Sectional Technologies | 11 | Active |
| USD807139S1 | Driver | General | 9 | Active |
| US7471865B2 | Apparatus and method for a molded waveguide for use with touch screen displays | Emerging Cross-Sectional Technologies | 7 | Expired |
| US10133350B1 | Electroconductive touchscreen glove | Physics | 3 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.