Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11804711 | Power management circuitry in peripheral accessories of audio devices | Hwai Sian Tsai, Chi Wah Lo | 2023-10-31 |
| 11251611 | Power management circuitry in peripheral accessories of audio devices | Hwai Sian Tsai, Chi Wah Lo | 2022-02-15 |
| 10686313 | Power management circuitry in peripheral accessories of audio devices | Hwai Sian Tsai, Chi Wah Lo | 2020-06-16 |
| 10256627 | Power management circuitry in peripheral accessories of audio devices | Hwai Sian Tsai, Chi Wah Lo | 2019-04-09 |
| 9793712 | Power management circuitry in peripheral accessories of audio devices | Hwai Sian Tsai, Chi Wah Lo | 2017-10-17 |
| 8840017 | Power management circuitry in peripheral accessories of audio devices | Hwai Sian Tsai, Chi Wah Lo | 2014-09-23 |
| 8336771 | Payment card terminal dongle for communications devices | Hwai Sian Tsai | 2012-12-25 |
| 7915858 | Localized charging, load identification and bi-directional communication methods for a planar inductive battery charging system | Xun Liu, Wing Choi Ho, Ron Shu Yuen Hui | 2011-03-29 |