Robert H. Walden
13Patents
8h-index
13Co-inventors
69Inventor score
Filing activity: Mar 16, 1973 → May 3, 2001
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5198817A | High-order sigma-delta analog-to-digital converter | Electricity | 66 | Expired |
| US5153593A | Multi-stage sigma-delta analog-to-digital converter | Electricity | 59 | Expired |
| US5336624A | Method for disguising a microelectronic integrated digital logic | Electricity | 51 | Expired |
| US6525682B2 | Photonic parallel analog-to-digital converter | Physics | 46 | Expired |
| US5202591A | Dynamic circuit disguise for microelectronic integrated digital logic circuits | Electricity | 42 | Expired |
| US4872010A | Analog-to-digital converter made with focused ion beam technology | Electricity | 18 | Expired |
| US4051505A | Two-dimensional transfer in charge transfer device | Electricity | 11 | Expired |
| US3944850A | Charge transfer delay line filters | Electricity | 9 | Expired |
| US3989956A | Charge transfer binary counter | Electricity | 5 | Expired |
| US6380552B2 | Low turn-on voltage InP Schottky device and method | Electricity | 3 | Expired |
| US4967250A | Charge-coupled device with focused ion beam fabrication | Electricity | 2 | Expired |
| US3935477A | Analog inverter for use in charge transfer apparatus | Electricity | 2 | Expired |
| US6316342A | Low turn-on voltage indium phosphide Schottky device and method | Electricity | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.