Peter Wonfor
16Patents
8h-index
7Co-inventors
65Inventor score
Filing activity: Aug 6, 1982 → Oct 2, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6381747B1 | Method for controlling copy protection in digital video networks | Electricity | 260 | Expired |
| US5583936A | Video copy protection process enhancement to introduce horizontal and vertical picture distortions | Electricity | 33 | Expired |
| US5504815A | Method and apparatus for scrambling and descrambling | Electricity | 20 | Expired |
| US7298962B2 | Method and apparatus for reducing and restoring the effectiveness of a commercial skip system | Electricity | 20 | Active |
| US5608799A | Method and apparatus for scrambling and descrambling of video signal with edge fill | Electricity | 16 | Expired |
| US5579390A | Method and apparatus for vertically scrambling and descrambling of video signals | Electricity | 13 | Expired |
| US5438620A | Method and apparatus for scrambling and descrambling of video signal with edge fill | Electricity | 13 | Expired |
| US7395545B2 | Method and apparatus for providing copy protection using a transmittal mode command | Electricity | 9 | Expired |
| US4398815A | Camera mount | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US9549226B2 | Method and apparatus for reducing and restoring the effectiveness of a commercial skip system | Electricity | 6 | Active |
| US7620178B2 | Copy protection for video signal added pulses | Electricity | 5 | Active |
| US8250597B2 | Method and apparatus for providing copy protection using a transmittal mode command | Electricity | 2 | Active |
| US9060182B2 | Method and apparatus for reducing and restoring the effectiveness of a commercial skip system | Electricity | 1 | Active |
| US10536756B2 | Method and apparatus for reducing and restoring the effectiveness of a commercial skip system | Electricity | 1 | Active |
| US8254756B2 | Method and apparatus for reducing and restoring the effectiveness of a commercial skip system | Electricity | 1 | Active |
| US10129605B2 | Method and apparatus for reducing and restoring the effectiveness of a commercial skip system | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.