J. Douglas Logan
6Patents
6h-index
15Co-inventors
60Inventor score
Filing activity: Nov 11, 1976 → Feb 3, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7659995B2 | Digitizer using plural capture methods to image features of 3-D objects | Physics | 65 | Active |
| US6639684B1 | Digitizer using intensity gradient to image features of three-dimensional objects | Physics | 13 | Expired |
| US8414207B1 | Ultra-compact mobile touch-type keyboard | Physics | 12 | Active |
| US4088891A | Electrostatic aperture printing | Emerging Cross-Sectional Technologies | 11 | Expired |
| US6980302B2 | Three dimensional digitizer using multiple methods | Physics | 10 | Expired |
| US6530550B1 | Wireless turntable | Physics | 6 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.