Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11043847 | Wireless charging receiver | Lin Cheng, Wing Hung Ki, Tak Sang Yim, Chi Ying Tsui | 2021-06-22 |
| 10075085 | Gallium nitride driver with tuned dead-time | Ziang Chen, Tak Sang Yim, Wing Hung Ki | 2018-09-11 |
| 8643337 | Single-power-transistor battery-charging circuit using voltage-boosted clock | Kwok Kuen (David) Kwong, Ho Ming (Karen) Wan, Chik Wai (David) Ng | 2014-02-04 |
| 8471744 | Reduced residual offset sigma delta analog-to-digital converter (ADC) with chopper timing at end of integrating phase before trailing edge | Ho Ming (Karen) Wan, Kwai Chi Chan | 2013-06-25 |
| 8421660 | Configurable cascading sigma delta analog-to digital converter (ADC) for adjusting power and performance | Ho Ming (Karen) Wan, Kwai Chi Chan, Andrea Baschirotto | 2013-04-16 |
| 8421658 | Parallel pipelined calculation of two calibration values during the prior conversion cycle in a successive-approximation-register analog-to-digital converter (SAR-ADC) | Hok Mo Yau, Tin Ho (Andy) Wu, Kam Chuen Wan | 2013-04-16 |
| 8416107 | Charge compensation calibration for high resolution data converter | Kam Chuen Wan, Ho Ming (Karen) Wan, Kwai Chi Chan | 2013-04-09 |
| 8258864 | Ultra low voltage multi-stage high-speed CMOS comparator with autozeroing | Kwai Chi Chan, Ho Ming (Karen) Wan, Kam Chuen Wan, Kwok Kuen (David) Kwong | 2012-09-04 |
| 8193854 | Bi-directional trimming methods and circuits for a precise band-gap reference | Xiao Kuang, Kam Chuen Wan, Kwai Chi Chan, Kwok Kuen (David) Kwong | 2012-06-05 |
| 7999512 | Single-power-transistor battery-charging circuit using voltage-boosted clock | Kwok Kuen (David) Kwong, Ho Ming (Karen) Wan, Chik Wai (David) Ng | 2011-08-16 |
| 7948224 | Feedback controller having multiple feedback paths | Chik Wai (David) Ng, David Kwong | 2011-05-24 |
| 7812757 | Hybrid analog-to-digital converter (ADC) with binary-weighted-capacitor sampling array and a sub-sampling charge-redistributing array for sub-voltage generation | Kam Chuen Wan, Kwok Kuen (David) Kwong | 2010-10-12 |
| 7795976 | Slew-rate-enhanced error amp with adaptive transconductance and single dominant pole shared by main and auxiliary amps | Chik Wai (David) Ng, Ho Ming (Karen) Wan, Kam Chuen Wan, Kwok Kuen (David) Kwong | 2010-09-14 |
| 7764215 | Multi-stage comparator with offset canceling capacitor across secondary differential inputs for high-speed low-gain compare and high-gain auto-zeroing | Ho Ming (Karen) Wan, Kwai Chi Chan, Kwok Kuen (David) Kwong | 2010-07-27 |
| 7741981 | Dual-use comparator/op amp for use as both a successive-approximation ADC and DAC | Ho Ming (Karen) Wan, Kwai Chi Chan, Hok Mo Yau, Tin Ho (Andy) Wu, Kwok Kuen (David) Kwong | 2010-06-22 |
| 7710094 | Current-mode-controlled current sensor circuit for power switching converter | Xiao Kuang, Kam Chuen Wan, Kwok Kuen (David) Kwong | 2010-05-04 |
| 7705685 | Low-voltage oscillator with capacitor-ratio selectable duty cycle | Chik Wai (David) Ng, Ho Ming (Karen) Wan, Kwok Kuen (David) Kwong | 2010-04-27 |
| 7656240 | Low voltage synchronous oscillator for DC-DC converter | David Chik Wai Ng, Kam Chuen Wan, David Kwong | 2010-02-02 |