Yan Sun
34Patents
12h-index
64Co-inventors
84Inventor score
Filing activity: Aug 16, 1995 → Jun 27, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6049417A | Wide band optical amplifier | Electricity | 64 | Expired |
| US5900969A | Broadband flat gain optical amplifier | Electricity | 62 | Expired |
| US6094298A | Erbium-doped fiber amplifier with automatic gain control | Electricity | 51 | Expired |
| US6049418A | Noise figure in optical amplifiers with a split-band architecture | Electricity | 50 | Expired |
| US5900968A | Method of fast gain control in WDM optical networks | Electricity | 44 | Expired |
| US6025941A | Stable wavelength division multiplex ring network | Electricity | 39 | Expired |
| US6341034B1 | Optical amplifier system with transient control using spectrally filtered input | Electricity | 36 | Expired |
| US6498677B1 | Optical amplifier systems with transient control | Electricity | 30 | Expired |
| US6417961B1 | Optical amplifiers with dispersion compensation | Electricity | 18 | Expired |
| US10345246B2 | Dark field wafer nano-defect inspection system with a singular beam | Physics | 18 | Active |
| US6008932A | Erbium-doped fiber amplifier with automatic gain control | Electricity | 16 | Expired |
| US6377396B1 | Optical amplifiers with variable optical attenuation for use in fiber-optic communications systems | Electricity | 13 | Expired |
| US6602002B1 | High capacity optical transmission arrangement | Electricity | 8 | Expired |
| US6381560B1 | Methods of modeling erbium doped fiber amplifiers | Electricity | 7 | Expired |
| US6049416A | Erbium-doped fiber amplifiers with desired gain-bandwidth characteristics | Electricity | 5 | Expired |
| US6671466B1 | Distortion compensation in optically amplified lightwave communication systems | Electricity | 5 | Expired |
| US6473212B1 | Lightwave communication systems using semiconductor optical amplifiers | Electricity | 4 | Expired |
| US6501870B1 | System and method for reducing effects of optical impairments in optically amplified lightwave communication systems | Electricity | 3 | Expired |
| US10254521B2 | Optical collimator for LED lights | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US10574028B2 | Digitally integrated self-trained pre-distortion curve finder for linearly frequency swept semiconductor laser systems | Electricity | 1 | Active |
| US9326315B2 | Area-limited self-organized network management method, communications apparatus, and system | Electricity | 1 | Active |
| US9226336B2 | Wireless network area limiting method and system based on near field communication | Electricity | 1 | Active |
| US5627852A | Semiconductor laser geometry for broad-angle far-field addressing | Electricity | 1 | Expired |
| US9055436B2 | Transmitting device, receiving device, wireless communication system and method for controlling wireless communication system | Electricity | 1 | Active |
| US11398012B2 | Medical imaging method and system | Physics | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.