Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12372848 | Optical modulator and control method therefor | Jiangbing Du, Haining CHONG, Weihong Shen, Ningfeng TANG | 2025-07-29 |
| 10989587 | Distributed fibre sensing system and vibration detection and positioning method therefor | Qingwen Liu, Dian-Tai Chen, Xinyu Fan | 2021-04-27 |
| 10461850 | Frequency synthesis-based optical frequency domain reflectometry method and system | Qingwen Liu, Xinyu Fan, Dian-Tai Chen | 2019-10-29 |
| 9784643 | Optical fiber property measuring device and optical fiber property measuring method | Kazuo Hotate, Rodrigo Kendy Yamashita | 2017-10-10 |
| 7948614 | Optical-fiber-characteristic measuring device and optical-fiber-characteristic measuring method | Kazuo Hotate, Kwang Yong Song | 2011-05-24 |