Issued Patents All Time
Showing 1–25 of 51 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9998027 | Dual mode power supply controller with charge balance multipliers and charge balance multiplier circuits | Qingcong Hu | 2018-06-12 |
| 9509215 | Dual mode power supply controller with charge balance multipliers and charge balance multiplier circuits | Qingcong Hu | 2016-11-29 |
| 9484805 | Dual mode power supply controller with current regulation | Qingcong Hu | 2016-11-01 |
| 9288863 | Lighting apparatus and methods using reconfigurable dimming mapping | Michael B. Gilliom, Douglas E. Keiter, Danwei Liu | 2016-03-15 |
| 9203307 | Power converter with bias voltage regulation circuit | Liqin Ni | 2015-12-01 |
| 8853958 | Driving circuits for solid-state lighting apparatus with high voltage LED components and related methods | Praneet Athalye, Qingcong Hu, Eric Menzel, Michael James Harris | 2014-10-07 |
| 8823346 | System and method of feed forward for boost converters with improved power factor and reduced energy storage | — | 2014-09-02 |
| 8754625 | System and method for converting an AC input voltage to regulated output current | — | 2014-06-17 |
| RE44910 | Current mode DC/DC converter with controlled output impedance | Charles E. Hawkes, Robert H. Isham | 2014-05-27 |
| 8634217 | System and method for converting an AC input voltage to a regulated DC output voltage using a Z-type converter with rectified switches | — | 2014-01-21 |
| 8569963 | Cascade boost and inverting buck converter with independent control | — | 2013-10-29 |
| 8305055 | Non-inverting buck boost voltage converter | Xuelin Wu, Congzhong Huang | 2012-11-06 |
| 8270189 | Charge circuit for optimizing gate voltage for improved efficiency | — | 2012-09-18 |
| RE43414 | Synthetic ripple regulator | Vladimir A. Muratov, Stefan Wlodzimierz Wiktor | 2012-05-29 |
| RE42897 | Current mode DC/DC converter with controlled output impedance | Charles E. Hawkes, Robert H. Isham | 2011-11-08 |
| RE42532 | Synchronous-rectified DC to DC converter with improved current sensing | Robert H. Isham, Charles E. Hawkes | 2011-07-12 |
| RE42307 | Thermally compensated current sensing of intrinsic power converter elements | Matthew Harris, Bogdan M. Duduman | 2011-04-26 |
| RE42063 | Multi-phase converter with balanced currents | Charles E. Hawkes, Robert H. Isham | 2011-01-25 |
| RE40593 | Multi-phase converter with balanced currents | Charles E. Hawkes, Robert H. Isham | 2008-12-02 |
| 7132820 | Synthetic ripple regulator | Vladimir A. Muratov, Sefan Wlodzimierz Wiktor | 2006-11-07 |
| 7019502 | Synchronization of multiphase synthetic ripple voltage regulator | Xuening Li, Thomas A. Jochum | 2006-03-28 |
| 7002325 | Clocked cascading current-mode regulator with high noise immunity and arbitrary phase count | Matthew Harris | 2006-02-21 |
| 6995549 | DC-to-DC power regulator having non-linear load line and automatic leakage current offset adjustment | — | 2006-02-07 |
| 6995548 | Asymmetrical multiphase DC-to-DC power converter | Shea Petricek | 2006-02-07 |
| RE38940 | Synchronous-rectified DC to DC converter with improved current sensing | Robert H. Isham, Charles E. Hawkes | 2006-01-24 |