Xiaoping Mao
15Patents
9h-index
18Co-inventors
65Inventor score
Filing activity: Oct 20, 1994 → Mar 12, 2004
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5420868A | Suppression of brillouin scattering in lightwave transmission system | Physics | 56 | Expired |
| US5796096A | Fabrication and applications of long-lifetime, holographic gratings in photorefractive materials | Physics | 43 | Expired |
| US6043914A | Dense WDM in the 1310 nm band | Electricity | 41 | Expired |
| US6310690A | Dense wavelength division multiplexer utilizing an asymmetric pass band interferometer | Physics | 36 | Expired |
| US6111675A | System and method for bi-directional transmission of telemetry service signals using a single fiber | Electricity | 25 | Expired |
| US5926590A | Power equalizer in a multiple wavelength bidirectional lightwave amplifier | Electricity | 23 | Expired |
| US6310993A | Method and apparatus for chromatic dispersion compensation and dispersion slope compensation in wavelength division multiplexed systems utilizing a channel separator and virtually imaged phased arrays | Physics | 17 | Expired |
| US5689594A | Multiple wavelength bidirectional lightwave amplifier | Electricity | 11 | Expired |
| US6396606B1 | Method of avoiding excessive polarization mode dispersion in an optical communications link | Electricity | 10 | Expired |
| US6721509B2 | Self-adjusting optical add-drop multiplexer and optical networks using same | Electricity | 9 | Expired |
| US6493116B1 | PMD characterization across multiple optical channels of an optical link | Electricity | 8 | Expired |
| US7054559B1 | Method and system for modular multiplexing and amplification in a multi-channel plan | Electricity | 7 | Expired |
| US6681081B2 | Method of avoiding excessive polarization mode dispersion in an optical communications link | Electricity | 6 | Expired |
| US7016610B2 | Self-adjusting optical add-drop multiplexer and optical networks using same | Electricity | 2 | Expired |
| US6704510B2 | PMD characterization across multiple optical channels of an optical link | Electricity | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.