Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12123577 | Hoistable lamp having hoistable emergency power supply | — | 2024-10-22 |
| 10998762 | Dimming method, dimmer, dimming emergency inverter and emergency lighting system | — | 2021-05-04 |
| 10423188 | Voltage generating circuit for improving stability of bandgap voltage generator | — | 2019-09-24 |
| 7677803 | Quick release coupling device for a linear guideway | Hsin-Liang Chen | 2010-03-16 |
| 7670053 | Detachable rolling-element retainer | Yun-Yin Lin | 2010-03-02 |
| 4742594 | Blackboard eraser | — | 1988-05-10 |