Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12204623 | Application operation management and authentication | Chi Hung Tong, Chin Chiu Chung, Sze Man Tong, Chun On Wong | 2025-01-21 |
| 12025770 | System for monitoring stability of trees | Ho Lam, Wing Pong Ngai, Shiu Kee Luk, Chun-Hung Cheng, Kwong Tim Chan | 2024-07-02 |
| 11459215 | Safety system for a machine | Chun Wai Lai, Chi Wai Leung | 2022-10-04 |
| 11410513 | System and device for video-based vehicle surrounding awareness monitoring for air cargo transit security under all-weather driving conditions | To Bun Ng, Kwong Tim Chan | 2022-08-09 |
| 11288467 | Wearable non-contact communication device | Feng Lu, Chi Lun Mak, Jing Tian Xi | 2022-03-29 |
| 11176436 | Radio frequency communication device and a method for using thereof | Chi Lun Mak, Jing Tian Xi | 2021-11-16 |
| 11170595 | System and method for access control | Jing Tian Xi, Chin Chiu Chung, Chi Hung Tong | 2021-11-09 |
| 9666053 | Device for tagging an object | Chi Hung Tong, Chun Wai Lai, Tsz Ching Anthony Kwok, Yiu Man Chan | 2017-05-30 |
| 5500888 | Cordless telephone security code initiation and prevention system | Wai T. Chiu | 1996-03-19 |