Richard E. Epworth
53Patents
19h-index
36Co-inventors
84Inventor score
Filing activity: Mar 25, 1976 → Sep 14, 2004
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6271952A | Polarization mode dispersion compensation | Electricity | 269 | Expired |
| US4533247A | Optical transmission system | Electricity | 177 | Expired |
| US4561119A | Optical frequency modulation system | Electricity | 85 | Expired |
| US5452116A | Transmission systems incorporating optical amplifiers | Electricity | 80 | Expired |
| US5777773A | Optical frequency control system and method | Electricity | 74 | Expired |
| US5949560A | Optical transmission system | Electricity | 73 | Expired |
| US5117196A | Optical amplifier gain control | Electricity | 68 | Expired |
| US5463487A | Optical transmission system | Electricity | 68 | Expired |
| US4953939A | Optical fibre transmission systems | Physics | 63 | Expired |
| US6381388B1 | Chromatic dispersion compensation | Physics | 41 | Expired |
| US4718121A | Balanced coherent receiver | Electricity | 38 | Expired |
| US5608571A | Optical amplifiers | Physics | 33 | Expired |
| US5715265A | Dispersion compensation | Physics | 30 | Expired |
| US4144504A | Planar laser mount | Electricity | 29 | Expired |
| US7580630B2 | Spectral shaping for optical OFDM transmission | Electricity | 24 | Expired |
| US6313932A | Multiplexed transmission of optical signals | Electricity | 24 | Expired |
| US5828689A | Etalon arrangement | Electricity | 23 | Expired |
| US5602949A | Chirped distributed Bragg grating optical fibre filters | Physics | 22 | Expired |
| US7209670B2 | Polarization diversity receiver for optical transmission system | Electricity | 19 | Expired |
| US5513030A | Optical pulse retiming and reshaping circuit | Electricity | 18 | Expired |
| US6522436B2 | Multiplexed transmission of optical signals | Electricity | 18 | Expired |
| US6483632B1 | Multistage optical amplifier with gain flattening | Electricity | 18 | Expired |
| US5080505A | Optical transmission system | Electricity | 17 | Expired |
| US4781428A | Devices and methods for selectively tapping optical energy from an optical fibre | Emerging Cross-Sectional Technologies | 17 | Expired |
| US6483620B1 | Polarization mode dispersion measurement | Electricity | 17 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.