Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11824388 | Mechanical foolproof design of battery charger and rechargeable battery | Chun Bong Leung, Wei Zhang | 2023-11-21 |
| 11482762 | Battery | Hing Po Tsang, Yuen Han Luk | 2022-10-25 |