David D. Drobnis
14Patents
8h-index
24Co-inventors
68Inventor score
Filing activity: Sep 10, 1997 → Jul 7, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5939702A | Writing implement having an integrated optical reader | Physics | 91 | Expired |
| US6032866A | Foldable apparatus having an interface | Physics | 68 | Expired |
| US7659995B2 | Digitizer using plural capture methods to image features of 3-D objects | Physics | 65 | Active |
| US6502754B1 | Data acquisition device | Physics | 61 | Expired |
| US7359003B1 | Display, input and form factor for portable instruments | Electricity | 15 | Expired |
| US6639684B1 | Digitizer using intensity gradient to image features of three-dimensional objects | Physics | 13 | Expired |
| US6980302B2 | Three dimensional digitizer using multiple methods | Physics | 10 | Expired |
| US8770055B2 | Multi-axis pivot assembly for control sticks and associated systems and methods | Emerging Cross-Sectional Technologies | 8 | Active |
| US6530550B1 | Wireless turntable | Physics | 6 | Expired |
| US9141108B2 | Unmanned vehicle controller with interchangeable function bridge modules | Physics | 4 | Active |
| US8174255B2 | Hall effect system | Electricity | 3 | Active |
| US9637222B2 | Multi-axis pivot assembly for control sticks and associated systems and methods | Emerging Cross-Sectional Technologies | 1 | Active |
| US6923558B1 | Filament alignment mechanism for high accuracy lamps | Mechanical Engineering; Lighting; Heating | 0 | Expired |
| US6765501B1 | High performance rotary axis | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.