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NE Nec: 37 patents #158 of 14,502Top 2%
NA Nec Laboratories America: 7 patents #63 of 412Top 20%
Overall (All Time): #71,501 of 4,157,543Top 2%
42
Patents All Time

Issued Patents All Time

Showing 25 most recent of 42 patents

Patent #TitleCo-InventorsDate
12405136 Vibration sensing over passive optical networks (PONs) using forwarding optical phase retrieval and time-domain multiplexed (TDM) switching Yue-Kai Huang, Ting Wang 2025-09-02
12332394 Fiber sensing using supervisory path of submarine cables Fatih Yaman, Yue-Kai Huang, Hussam G. Batshon, Eduardo Mateo Rodriguez, Kohei Nakamura +2 more 2025-06-17
12287234 Distributed acoustic sensing sensitivity enhancement using MIMO sampling and phase recombination Yue-Kai Huang 2025-04-29
12206489 Long distance distributed fiber optic sensing (DFOS) and WDM communications over repeated fiber spans using all-raman amplification and coding schemes Yue-Kai Huang 2025-01-21
12135234 Frequency-drift compensation in chirped-pulse-based distributed acoustic sensing Yue-Kai Huang 2024-11-05
12055803 Distributed acoustic sensing using dynamic range suppression Yue-Kai Huang, Philip Nan Ji, Shuji Murakami 2024-08-06
11982552 Vibration detection using phase recovered from an optical transponder with coherent detection Yue-Kai Huang 2024-05-14
11960042 Laser noise reduction for laser interferometry Yue-Kai Huang, Fatih Yaman 2024-04-16
11920975 Repeater design for distributed acoustic sensing on multispan fiber links Yue-Kai Huang, Fatih Yaman, Shinsuke Fujisawa 2024-03-05
11733088 Spatial averaging method for coherent distributed acoustic sensing Junqiang Hu, Yue-Kai Huang 2023-08-22
11692867 Polarization diversity combining method in coherent DAS maintaining phase continuity Junqiang Hu, Yue-Kai Huang 2023-07-04
11566937 Rayleigh fading mitigation via short pulse coherent distributed acoustic sensing with multi-location beating-term combination Yue-Kai Huang, Junqiang Hu, Shuji Murakami 2023-01-31
11543287 Distributed acoustic sensing using multi-band time-gated digital orthogonal frequency domain reflectometry Yue-Kai Huang 2023-01-03
11461635 Neural network transfer learning for quality of transmission prediction Yue-Kai Huang, Shaoliang Zhang, Weiyang Mo 2022-10-04
11463171 Bidirectional optical communication and sensing WDM architecture using same fiber transmission band Yue-Kai Huang, Philip Nan Ji, Ming-Fang Huang 2022-10-04
11391622 Optical fiber sensing system with reduced spatial resolution and noise for multiple application uses Yue-Kai Huang, Junqiang Hu, Philip Nan Ji, Shuji Murakami, Yaowen Li 2022-07-19
11378443 Performance of Rayleigh-based phase-OTDR with correlation-based diversity combining and bias removal Yue-Kai Huang 2022-07-05
11320304 Multi-frequency coherent distributed acoustic sensing (DAS) with single transmitter / receiver pair using offset Tx / Rx frequency framing scheme Yue-Kai Huang 2022-05-03
11296786 Constant amplitude coded DFOS using out-of-band signaling Yue-Kai Huang, Fatih Yaman 2022-04-05
11193801 Amplifier dynamics compensation for brillouin optical time-domain reflectometry Yue-Kai Huang 2021-12-07
11159200 High speed frequency hopping DAS interrogation using AOM-gated re-circulating loop and frequency-shifted receiver LO Yue-Kai Huang, Giovanni Milione, Fatih Yaman 2021-10-26
11133865 Optical network performance evaluation using a hybrid neural network Yue-Kai Huang, Shaoliang Zhang, Jiakai Yu 2021-09-28
10917168 Optical fiber sensing systems, methods, structures and applications Ming-Fang Huang, Yue-Kai Huang, Ting Wang 2021-02-09
10887009 G-OSNR estimation on dynamic PS-QAM channels using hybrid neural networks Yue-Kai Huang, Shaoliang Zhang, Jiakai Yu 2021-01-05
10763964 Bidirectional optical communication and sensing WDM architecture using same fiber transmission band Yue-Kai Huang, Philip Nan Ji, Ming-Fang Huang 2020-09-01