Issued Patents All Time
Showing 1–25 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1094102 | Oil jug | — | 2025-09-23 |
| 12388557 | Downlink signal synchronization method and system | Qizheng Li | 2025-08-12 |
| 12157917 | Specific DNA fragment of female Acipenser Dabryanus and method for identifying the sex of Acipenser Dabryanus | Lei Chen, Zhiyuan Li, Yuanjin Yang, Yacheng Hu, Xin-sheng Zhu +1 more | 2024-12-03 |
| 10455302 | Method and apparatus for adjusting wavelength for optical line terminal or optical network unit | Liquan Yuan, Weiliang Zhang, Dan Geng | 2019-10-22 |
| 10390117 | Working channel (CH) tuning methods, devices and system, optical network unit (ONU) and optical line terminal (OLT) | Xingang Huang | 2019-08-20 |
| 10142118 | Optical network unit power management in passive optical networks | Denis A. Khotimsky, Liquan Yuan | 2018-11-27 |
| 10107974 | Quartz plastic composite optical fiber assembly, recognition method and device | Xiangyong HAO, Aiping Ma, Yu Gong | 2018-10-23 |
| 10063411 | Channel map for optical network unit activation and rogue behavior prevention | Denis A. Khotimsky, Dan Geng, Liquan Yuan | 2018-08-28 |
| 10027405 | Method and device for channel switching, optical network unit, and time wavelength division multiplexing system | Dan Geng, Weiliang Zhang, Liquan Yuan | 2018-07-17 |
| 10003428 | Using noisy window for uncalibrated optical network unit activation | Denis A. Khotimsky, Songlin Zhu | 2018-06-19 |
| 9973271 | Method and device for configuring OTDR test parameter set | Xiaojing Jin | 2018-05-15 |
| 9882649 | Transmitting, receiving and communication systems of optical network and method for modulating signal | Songlin Zhu, Yong Guo, Yongjia Yin, Yang Gao, Guanjun Zeng +1 more | 2018-01-30 |
| 9853764 | Optical network unit self-calibration in multi-wavelength passive optical network | Denis A. Khotimsky, ChangLei Li | 2017-12-26 |
| D805108 | Vacuum pump | — | 2017-12-12 |
| 9806892 | Optical network unit power management in passive optical networks | Denis A. Khotimsky, Liquan Yuan | 2017-10-31 |
| 9749078 | 10 gigabit per second capable passive optical network system with flexible nominal upstream bitrate | Denis A. Khotimsky, Liquan Yuan | 2017-08-29 |
| 9698978 | Network equipment and authentication and key management method for same | Qiongwen Liang, Weiliang Zhang, Lin Wang, Junjian ZHANG, Boshan ZHANG | 2017-07-04 |
| 9363013 | Mitigating rogue optical network unit (ONU) behavior in a passive optical network (PON) | Denis A. Khotimsky, Liquan Yuan | 2016-06-07 |
| 9306700 | Method and device for transmitting optical signals | Songlin Zhu, Dan Geng, Zian He, Weiliang Zhang, Yongjia Yin +2 more | 2016-04-05 |
| 9167323 | Method and system for quickly updating ranging results of optical network unit by optical line terminal | Weiliang Zhang, Liquan Yuan | 2015-10-20 |
| 9084034 | Method and system for realizing power saving mechanism management between optical network unit (ONU) and optical line terminal (OLT) | Yuanling He, Meiyan Zang, Liquan Yuan | 2015-07-14 |
| 9049498 | Method and system for realizing interaction of embedded data in multimedia | Wenping Zhang, Xiang Gao | 2015-06-02 |
| 9030924 | Method for time division multiplex service protection | Ruichun Dai | 2015-05-12 |
| 8989580 | Long-distance box and method for processing uplink and downlink light thereof | Jidong Xu | 2015-03-24 |
| 8942378 | Method and device for encrypting multicast service in passive optical network system | Liquan Yuan | 2015-01-27 |