Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11046553 | Elevator automatic rescue and energy-saving device and control method for same and super capacitor module | Eugene Y. Chan, Xiangdang Xue, Lok Yan Lorraine Chan | 2021-06-29 |
| 7781987 | Method and system for automatically controlling power supply to a lamp of a vehicle | Bangalore Prabhakar Divakar, Dao Hong Wang | 2010-08-24 |
| 6078277 | Arrangement and method for producing a plurality of pulse width modulated signals | Hing Leung Yiu, Karson Chan | 2000-06-20 |