John E. Welch
7Patents
5h-index
8Co-inventors
48Inventor score
Filing activity: Sep 2, 1998 → Mar 30, 2007
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6175389A | Comb filtered signal separation | Electricity | 26 | Expired |
| US7227585B1 | Luminance and chrominance separation system | Electricity | 23 | Expired |
| US7474357B1 | Decoding video signals to separate luma and chroma components | Electricity | 20 | Active |
| US6055024A | Adaptive method for Y-C separation in video signals | Electricity | 9 | Expired |
| US7167213B1 | Comb filter design for separating luminance and chrominance in video signals | Electricity | 8 | Expired |
| US7750976B2 | Automatic video detector | Electricity | 4 | Active |
| US8072547B2 | Comb filter that utilizes host memory | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.