Stephen E. Ralph
17Patents
7h-index
18Co-inventors
63Inventor score
Filing activity: Jun 4, 1990 → Mar 22, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7307569B2 | Increasing data throughput in optical fiber transmission systems | Electricity | 42 | Active |
| US7173551B2 | Increasing data throughput in optical fiber transmission systems | Electricity | 40 | Expired |
| US7149256B2 | Multilevel pulse position modulation for efficient fiber optic communication | Electricity | 30 | Expired |
| US7352824B2 | Multilevel pulse position modulation for efficient fiber optic communication | Electricity | 12 | Active |
| US9794092B1 | Systems and methods for identification and demodulation of complex signal formats | Electricity | 8 | Active |
| US6847760B2 | Spatially resolved equalization and forward error correction for multimode fiber links | Physics | 7 | Expired |
| US6870152B2 | Segmented photodetectors for detection and compensation of modal dispersion in optical waveguides | Electricity | 7 | Expired |
| US9729362B1 | Systems and methods for autonomous signal modulation format identification | Electricity | 6 | Active |
| US6771856B2 | Compensation of modal dispersion in optical waveguides | Physics | 5 | Expired |
| US9768874B1 | System and methods for autonomous signal modulation format identification | Electricity | 3 | Active |
| US4999485A | Nonlinerar optical device structure with compound semiconductor having graded chemical composition | Physics | 2 | Expired |
| US9735991B1 | System and methods for autonomous signal modulation format identification | Electricity | 2 | Active |
| US8219893B2 | High-speed communication channel techniques with improved robustness to timing uncertainty | Electricity | 1 | Active |
| US11381426B2 | Systems and methods for improved data transmission in short-reach links | Electricity | 0 | Active |
| US10958486B2 | Systems and methods for improved data transmission in short-reach links | Electricity | 0 | Active |
| US10666277B2 | Methods and devices for input signal conversion simulation | Electricity | 0 | Active |
| US7934144B2 | High-speed analog-to-digital conversion with improved robustness to timing uncertainty | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.