Jianjun Yu
104Patents
7h-index
58Co-inventors
77Inventor score
Filing activity: Jun 3, 2002 → Sep 23, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6814376B2 | Method and system for generating short pulse signals | Physics | 22 | Expired |
| US8131156B2 | Centralized lightwave WDM-PON employing intensity modulated downstream and upstream | Electricity | 14 | Active |
| US8138958B2 | Vernier ring time-to-digital converters with comparator matrix | Physics | 11 | Active |
| US8135287B2 | 100 Gbit/s OFDM optical signal generation | Electricity | 9 | Active |
| US11387833B1 | Differential digital-to-time converter for even-order INL cancellation and supply noise/disturbance rejection | Electricity | 9 | Active |
| US9027971B2 | Over travel hood latch | Emerging Cross-Sectional Technologies | 8 | Active |
| US7965947B2 | Wavelength division multiplexing passive optical network architecture with source-free optical network units | Electricity | 8 | Active |
| US8000604B2 | Orthogonal frequency division multiple access (OFDMA) based passive optical network (PON) architecture and its extension to long distance | Electricity | 7 | Active |
| US10090962B2 | In-band signaling for reconfiguring software defined optics | Electricity | 7 | Active |
| US7373089B2 | Methods and apparatus for optical data transmission over standard fiber | Electricity | 7 | Expired |
| US10003423B2 | Half-cycled orthogonal frequency divisional multiplexing transmission and reception | Electricity | 7 | Active |
| US7761012B2 | Optical communication system and method for generating dark return-to zero and DWDM optical MM-Wave generation for ROF downstream link using optical phase modulator and optical interleaver | Electricity | 6 | Active |
| US9941974B2 | Techniques for receiving DFT spreading modulation signals | Electricity | 6 | Active |
| US8098989B2 | All-optical wavelength conversion for a polarization multiplexing optical signal | Physics | 5 | Active |
| US9209908B2 | System and method for heterodyne coherent detection with optimal offset | Electricity | 5 | Active |
| US8023824B2 | Wavelength division multiplexed passive optical network | Electricity | 5 | Active |
| US9225455B2 | Digital non-linear compensation in optical communication systems | Electricity | 5 | Active |
| US9712273B2 | Orbital angular momentum multiplexing for digital communication | Electricity | 4 | Active |
| US8934780B2 | Direct detection of optical orthogonal frequency division multiplexing (OFDM) signals | Electricity | 4 | Active |
| US9912500B2 | Adaptive pre-equalization in optical communications | Electricity | 4 | Active |
| US8260140B2 | WDM passive optical network with parallel signal detection for video and data delivery | Electricity | 4 | Active |
| US9880351B2 | Directly-modulated multi-polarization optical transmitters | Electricity | 4 | Active |
| US9698914B2 | Recovering data from quadrature phase shift keying modulated optical signals | Electricity | 4 | Active |
| US8463121B2 | Ultra wide-range frequency offset estimation for digital coherent optical receivers | Electricity | 4 | Active |
| US8781325B2 | Methods and systems for coherent multi-subcarrier source generation | Electricity | 4 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.