Issued Patents 2023
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11809528 | Terminal hardware configuration system | Hwai Sian Tsai | 2023-11-07 |
| 11804711 | Power management circuitry in peripheral accessories of audio devices | Wing Cheong Chan, Hwai Sian Tsai | 2023-10-31 |
| 11756033 | System and method to protect privacy of personal-identification-number entry on consumer mobile device and computing apparatus | Hwai Sian Tsai, Namson Kwok | 2023-09-12 |
| RE49614 | System and method for a secure display module | Hwai Sian Tsai | 2023-08-15 |
| 11714974 | System and method for a near field communications reader device | Hwai Sian Tsai | 2023-08-01 |
| 11710134 | System and methods to prevent unauthorized usage of card readers | Hwai Sian Tsai | 2023-07-25 |
| 11663584 | System and method for indicating entry of personal identification number | Hwai Sian Tsai | 2023-05-30 |
| 11640593 | System and method for vending machine | Tai Kwan Jimmy Tang, Wai Chuen Gan | 2023-05-02 |
| 11630575 | System and method for a keypad on a touch screen device | Hwai Sian Tsai | 2023-04-18 |
| 11595799 | System and method for secure pairing of Bluetooth devices | — | 2023-02-28 |
| 11580208 | System and method for PIN entry on mobile devices | — | 2023-02-14 |