Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12341508 | Input device having adjustable input mechanisms | Paul X. Wang, John C. DiFonzo, Zheng Gao, Chang Zhang | 2025-06-24 |
| 12308645 | Alternating-current power harmonic-based circuit state detection | Xiaohu Zhou | 2025-05-20 |
| 11500538 | Keyless keyboard with force sensing and haptic feedback | Alex J. Lehmann, Chang Zhang, Kenneth M. Silz, Paul X. Wang, Qiliang Xu +3 more | 2022-11-15 |
| 11394385 | Input device having adjustable input mechanisms | Paul X. Wang, John C. DiFonzo, Zheng Gao, Chang Zhang | 2022-07-19 |
| 10353485 | Multifunction input device with an embedded capacitive sensing layer | Chang Zhang, Golnaz Abdollahian, Paul X. Wang, Ray L. Chang, John Gabriel Buckmaster | 2019-07-16 |
| 9952682 | Depressible keys with decoupled electrical and mechanical functionality | Chang Zhang, Ray L. Chang, John S. Camp | 2018-04-24 |
| 9229500 | Acoustic noise reduction in power supply inductors | — | 2016-01-05 |
| 8151128 | Computer system power source with improved light-load efficiency | — | 2012-04-03 |
| 7915987 | Acoustic noise reduction in power supply inductors | — | 2011-03-29 |
| 7075799 | Self-driven synchronous rectifier circuit | — | 2006-07-11 |
| 7034647 | Integrated magnetics for a DC-DC converter with flexible output inductor | Liang Yan, Bradley M. Lehman | 2006-04-25 |
| 6989612 | Dynamic control of power converter output voltage slew rate | Lorenzo Cividino | 2006-01-24 |
| 6914348 | Dynamic control of power converter output voltage slew rate | Lorenzo Cividino | 2005-07-05 |