Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12311520 | Long-rod-type electric tool | Wai C. Lee, Zheng Wang, Jin Cheng Li, Dong Li, Zhi-Yang Li +1 more | 2025-05-27 |
| 12296424 | Control system for normally-on power tool | Koon For Chung | 2025-05-13 |
| 12270419 | Electric tool | Koon For Chung | 2025-04-08 |
| RE46720 | Acid resistant PBI membrane for pervaporation dehydration of acidic solvents | Michael Gruender, Tai-Shung Chung | 2018-02-20 |
| 9827532 | Acid resistant PBI membrane for pervaporation dehydration of acidic solvents | Michael Gruender, Tai-Shung Chung | 2017-11-28 |
| 9283523 | Acid resistant PBI membrane for pervaporation dehydration of acidic solvents | Michael Gruender, Tai-Shung Chung | 2016-03-15 |