Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12225306 | Clock generation circuit and image sensor | — | 2025-02-11 |
| 11429204 | Lighting control method of optical pointing device | Wai-Lian Teo | 2022-08-30 |
| 11405006 | Amplifying circuit and optical navigation device | Keng Yeam Chang | 2022-08-02 |
| 9608621 | Power on reset circuit, power on reset method and electric device using the same | — | 2017-03-28 |
| 9411350 | Voltage conversion apparatus and power-on reset circuit and control method thereof | — | 2016-08-09 |
| 9292113 | Driving circuit with fault detection and optical input device having the same | Lee Ling Teh, Keng Yeam Chang | 2016-03-22 |
| 9198266 | Optical navigation sensor with integrated charge pump | Shan Chong Tan, Keng Yeam Chang | 2015-11-24 |
| 8471493 | Combination LED driver | Keng Yeam Chang, Lee Ling Teh | 2013-06-25 |