Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12401321 | Bias circuit for crystal oscillator | — | 2025-08-26 |
| 10567853 | Smart grid appliance control | Charles Cai | 2020-02-18 |
| 10439554 | Method and apparatus for solar panel protection and control system | Charles Cai, Ron Gangemi | 2019-10-08 |
| 9883257 | Smart grid appliance control | Charles Cai | 2018-01-30 |
| 9572206 | Active valley fill power factor correction | — | 2017-02-14 |
| 9501078 | Voltage reference with low sensitivty to package shift | Danut Manea, Scott N. Fritz, Yongliang Wang | 2016-11-22 |
| 9310941 | Touch sensor input tool with offset between touch icon and input icon | — | 2016-04-12 |
| 9072138 | Color correcting device driver | Charles Cai, Timothy James Herklots | 2015-06-30 |
| 9013110 | Circuit for driving light emitting elements | Sean Chen, Timothy James Herklots | 2015-04-21 |
| 9013231 | Voltage reference with low sensitivity to package shift | Danut Manea, Scott N. Fritz, Yongliang Wang | 2015-04-21 |
| 8952623 | Multi-channel driver equalizer | Sean Chen, Timothy James Herklots | 2015-02-10 |
| 8912770 | Power conversion feedback control circuit for reaching a goal voltage | Charles Cai, Kien Vi | 2014-12-16 |
| 8736190 | Primary side PFC driver with dimming capability | Charles Cai, Ranajit Ghoman | 2014-05-27 |
| 8704589 | Reference voltage circuits | Andre Gunther | 2014-04-22 |
| 8604699 | Self-power for device driver | Timothy James Herklots, Charles Cai | 2013-12-10 |
| 8575863 | Color correcting device driver | Charles Cai, Timothy James Herklots | 2013-11-05 |
| 8502474 | Primary side PFC driver with dimming capability | Charles Cai, Ranajit Ghoman | 2013-08-06 |
| 8049551 | Charge pump for switched capacitor circuits with slew-rate control of in-rush current | Shane Hollmer | 2011-11-01 |
| 7843260 | Method and apparatus for high performance class D audio amplifiers | Qizhang Yin | 2010-11-30 |
| 7109804 | Precision relaxation oscillator without comparator delay errors | Urs Mader, Yvonne Ko, Franco Cocetta, Xiaoying Yu | 2006-09-19 |
| 6377037 | Watt-hour meter with digital per-phase power factor compensation | Gordon R. Burns, Javier Adame, John T. Voisine, John P. Junker, Richard D. Davis | 2002-04-23 |
| 6351360 | Apparatus for selective shutdown of devices of an integrated circuit in response to thermal fault detection | James C. Schmoock, John Parry | 2002-02-26 |
| 6198645 | Buck and boost switched capacitor gain stage with optional shared rest state | William J. McIntyre | 2001-03-06 |
| 6055168 | Capacitor DC-DC converter with PFM and gain hopping | William J. McIntyre, John Parry | 2000-04-25 |
| 5852961 | Tool for removing oil and hazardous fluid | — | 1998-12-29 |