Robert W. Keys
18Patents
7h-index
49Co-inventors
66Inventor score
Filing activity: Jan 30, 1998 → May 31, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6236499A | Highly scalable modular optical amplifier based subsystem | Electricity | 84 | Expired |
| US6144486A | Pump wavelength tuning of optical amplifiers and use of same in wavelength division multiplexed systems | Electricity | 27 | Expired |
| US6222668A | Fast loss of signal (LOS) detection for bidirectional optical amplifiers | Electricity | 16 | Expired |
| US6275331A | Optical amplifiers | Electricity | 14 | Expired |
| US6751414B1 | Circuit and channel assignment plan for optical transmissions | Electricity | 7 | Expired |
| US6542233B1 | Method and apparatus for the measurement of erbium optical amplifiers | Electricity | 7 | Expired |
| US10866364B1 | Systems, methods, and apparatus for optical transceiver with multiple switch state configurations | Physics | 7 | Active |
| US8811822B2 | System and method for selection of ghost channels for mitigating polarization hole burning | Electricity | 4 | Active |
| US8971706B2 | Link discovery, verification, and failure isolation in an optical communication system | Electricity | 4 | Active |
| US6757098B2 | Highly scalable modular optical amplifier based subsystem | Electricity | 3 | Expired |
| US8542992B2 | System and method for mitigating polarization hole burning | Electricity | 3 | Active |
| US11531165B2 | Systems, methods, and apparatus for optical transceiver with multiple switch state configurations | Physics | 3 | Active |
| US10368149B2 | Methods and apparatus for a colorless directionless and super-channel contentionless (CDsC) optical network architecture | Electricity | 2 | Active |
| US8670664B2 | System and method for managing the selection of ghost channels for mitigating polarization hole burning | Electricity | 2 | Active |
| US8090259B2 | System and method for optimizing the selection of ghost channels in mitigating polarization hole burning | Electricity | 1 | Active |
| US11927807B2 | Systems, methods, and apparatus for optical transceiver with multiple switch state configurations | Physics | 0 | Active |
| US10979788B2 | Methods and apparatus for a colorless directionless and super-channel contentionless (CDSC) optical network architecture | Electricity | 0 | Active |
| US12348265B2 | Optimization of spectrum sharing in optical line systems | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.