Issued Patents All Time
Showing 51–75 of 84 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10075055 | Zero-voltage-switching scheme for phase shift converters | Weihong Qiu, Rohan Dayal | 2018-09-11 |
| 9607917 | Stacked inductor-electronic package assembly and technique for manufacturing same | Nikhil Vishwanath Kelkar | 2017-03-28 |
| 9397508 | System and method for cell balancing and charging using a serially coupled inductor and capacitor | Tony Allen | 2016-07-19 |
| RE46045 | Hysteretic controlled buck-boost converter | Weihong Qiu, Jun Liu | 2016-06-28 |
| 8723490 | Controlling a bidirectional DC-to-DC converter | Jifeng Qin, Joseph C. Buxton | 2014-05-13 |
| 8570769 | Bidirectional signal conversion | Jifeng Qin | 2013-10-29 |
| 8570006 | Device and method for controlling a buck-boost converter | Jun Liu | 2013-10-29 |
| 8552703 | Method and apparatus for low standby current switching regulator | Jun Liu, Kenneth L. Lenk | 2013-10-08 |
| 8552699 | System and method for active electromagnetic interference reduction for a switching converter | Jifeng Qin, Colm Brazil | 2013-10-08 |
| 8541980 | System and method for cell balancing and charging | Tony Allen | 2013-09-24 |
| 8503194 | Bidirectional signal conversion | Jifeng Qin | 2013-08-06 |
| 8415936 | Multiphase DC-DC converter using zero voltage switching | — | 2013-04-09 |
| 8400134 | Apparatus and methodology for maximum power point tracking for a solar panel | Weihong Qiu, Jun Liu | 2013-03-19 |
| 8378649 | Voltage regulator including quasi transition diode emulation mode of operation | — | 2013-02-19 |
| 8330435 | Hysteretic controlled buck-boost converter | Weihong Qiu, Jun Liu | 2012-12-11 |
| RE43808 | Phase shift modulation-based control of amplitude of AC voltage output produced by double-ended DC-AC converter circuitry for powering high voltage load such as cold cathode fluorescent lamp | Robert L. Lyle, Jr., Steven P. Laur | 2012-11-20 |
| 8232789 | System and method for providing linear buck boost transitions within a buck boost converter | — | 2012-07-31 |
| 8102162 | Buck controller having integrated boost control and driver | Leigh Cormie, Jun Liu | 2012-01-24 |
| 8085556 | Dynamic converter topology | — | 2011-12-27 |
| 7944192 | Hysteretic power-supply controller with adjustable switching frequency, and related power supply, system, and method | Sandeep Agarwal, Jayant Vivrekar | 2011-05-17 |
| 7889525 | System and method for phase dropping and adding | — | 2011-02-15 |
| 7564193 | DC-AC converter having phase-modulated, double-ended, full-bridge topology for powering high voltage load such as cold cathode fluorescent lamp | Robert L. Lyle, Jr., Steven P. Laur | 2009-07-21 |
| 7560872 | DC-AC converter having phase-modulated, double-ended, half-bridge topology for powering high voltage load such as cold cathode fluorescent lamp | Robert L. Lyle, Jr., Steven P. Laur | 2009-07-14 |
| 7471133 | Modulator circuit with linear and non-linear control | Weihong Qiu | 2008-12-30 |
| 7368880 | Phase shift modulation-based control of amplitude of AC voltage output produced by double-ended DC-AC converter circuitry for powering high voltage load such as cold cathode fluorescent lamp | Robert L. Lyle, Jr., Steven P. Laur | 2008-05-06 |