Harthmuth Buczek
8Patents
6h-index
13Co-inventors
56Inventor score
Filing activity: Feb 12, 1982 → Apr 19, 2000
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5288993A | Cursor pointing device utilizing a photodetector array with target ball having randomly distributed speckles | Physics | 188 | Expired |
| US5578817A | Pointing device utilizing a photodetector array and controlled by a human finger contacting a prism | Physics | 136 | Expired |
| US6124587A | Pointing device utilizing a photodetector array | Physics | 109 | Expired |
| US5703356A | Pointing device utilizing a photodetector array | Physics | 100 | Expired |
| US5854482A | Pointing device utilizing a photodector array | Physics | 70 | Expired |
| US6218659A | Dual layer optical ball for pointing device | Physics | 35 | Expired |
| US6545828B2 | Optical device with absorption gradient and selective spectral filtering and lens assembly and camera fitted with such a device | Physics | 5 | Expired |
| US4417809A | Pattern scanning device for copying machines | Physics | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.