Issued Patents 2021
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11176436 | Radio frequency communication device and a method for using thereof | Chi Lun Mak, Kwong Yeung Simon Wong | 2021-11-16 |
| 11170595 | System and method for access control | Chin Chiu Chung, Chi Hung Tong, Kwong Yeung Simon Wong | 2021-11-09 |
| 10959905 | Radio communication device and a RFID device for assisting visually impaired users | Man Kit Wong | 2021-03-30 |
| 10909338 | Radio frequency communication guiding device | Chi Lun Mak | 2021-02-02 |