Issued Patents All Time
Showing 25 most recent of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12390069 | Obstacle avoidance method and device for self-walking robot, robot, and storage medium | Zhen Wu, Haojian XIE, Yixing WANG, Zhiying Hu | 2025-08-19 |
| 12251060 | Cleaning robot and method for controlling same | Qi Wu | 2025-03-18 |
| 12220095 | Method for controlling automatic cleaning device, automatic cleaning device, and non-transitory storage medium | Jingying Cao | 2025-02-11 |
| 12161272 | Liquid container, smart cleaning device and smart cleaning system | Xing Li, Chuanlin Duan, Youcheng Lu | 2024-12-10 |
| 12022984 | Autonomous cleaning robot | Xing Li, Youcheng Lu | 2024-07-02 |
| 11957285 | Automatic cleaning device | Xing Li, Pan CHENG, Chuanlin Duan, Zhimin Yang | 2024-04-16 |
| 11864699 | Cleaning device | Guang Yu, Xiaoliang Wang | 2024-01-09 |
| 11653806 | Autonomous cleaning robot | Xing Li, Youcheng Lu | 2023-05-23 |
| 11406238 | Autonomous cleaning robot | Xing Li, Youcheng Lu | 2022-08-09 |
| 11134819 | Liquid container and autonomous cleaning robot | Xing Li, Youcheng Lu | 2021-10-05 |
| 11109730 | Autonomous cleaning robot | Xing Li, Youcheng Lu | 2021-09-07 |
| D919211 | Cleaning robot | Jing Chang, Ruimin Zhang, Dayong Sun, Guang Yu | 2021-05-11 |
| 8644705 | Method, and system for a re-configurable optical multiplexer, demultiplexer and optical add-drop multiplexer | Giovanni Barbarossa, Ming Li | 2014-02-04 |
| 8014067 | High extinction ratio and low crosstalk compact optical switches | Ming Li | 2011-09-06 |
| 7693364 | Apparatus, system and method for a tunable optical filter | Giovanni Barbarossa, Ming Li | 2010-04-06 |
| 7486443 | High extinction ratio and low crosstalk compact optical switches | Ming Li | 2009-02-03 |
| 7333686 | System and method for a re-configurable optical channel dropping de-multiplexer | Giovanni Barbarossa, Ming Li | 2008-02-19 |
| 7298540 | Equalizing optical wavelength routers | Ming Li | 2007-11-20 |
| 7292786 | Method and system for a re-configurable optical multiplexer, de-multiplexer and optical add-drop multiplexer | Giovanni Barbarossa, Ming Li | 2007-11-06 |
| 7280720 | Apparatus, system and method for a tunable optical filter and channel dropping de-multiplexer | Giovanni Barbarossa, Ming Li | 2007-10-09 |
| 7245328 | Apparatus and method for controlling extinction ratio in a liquid crystal polarization controller optical switch | Haijun Yuan, Ming Li | 2007-07-17 |
| 7073952 | Stable mechanical devices for precision optical alignment and packaging | Frank Wu, Jian Xu, Ming Li | 2006-07-11 |
| 6947628 | Dynamic wavelength-selective optical add-drop switches | Ming Li | 2005-09-20 |
| 6882775 | Apparatus and method for multiplexing and de-multiplexing optical signals employing a anamorphic beams and diffraction gratings | — | 2005-04-19 |
| 6728488 | Optical systems employing anamorphic beams and diffraction gratings | Ming Li | 2004-04-27 |