Issued Patents 2022
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11321719 | System and methods to prevent unauthorized usage of card readers | Hwai Sian Tsai | 2022-05-03 |
| 11288670 | System and method to protect privacy of personal-identification-number entry on consumer mobile device and computing apparatus | Hwai Sian Tsai, Namson Kwok | 2022-03-29 |
| 11256885 | System and method for a near field communications reader device | Hwai Sian Tsai | 2022-02-22 |
| 11251611 | Power management circuitry in peripheral accessories of audio devices | Wing Cheong Chan, Hwai Sian Tsai | 2022-02-15 |