Issued Patents All Time
Showing 1–25 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11641126 | Battery charger system having a charge pump power stage | Zheren Lai, Sai Bun Wong, Ryan Erik Lind, Alexander Lee McHale | 2023-05-02 |
| 9735600 | Method for limiting battery discharging current in battery charger and discharger circuit | Mao Ye, Suheng Chen, Richard Stair | 2017-08-15 |
| 9430008 | Apparatus and method for optimizing use of NVDC chargers | Qiong Li, Suheng Chen | 2016-08-30 |
| 9356460 | Method and apparatus of fast battery charging with universal high power input source | Sai Bun Wong, Qiong Li, Jonathan L. Britton | 2016-05-31 |
| 9136724 | Method for limiting battery discharging current in battery charger and discharger circuit | Mao Ye, Suheng Chen, Richard Stair | 2015-09-15 |
| 8450978 | Monitoring a rechargeable battery with multiple parameter update rates | Yevgen Barsukov, Peter Anthony Fundaro, Ming Yu | 2013-05-28 |
| 8350551 | Power-supply controller | Da Feng Weng, Tamas S. Szepesi | 2013-01-08 |
| 8049465 | Systems, methods and circuits for determining micro-short | Yevgen P. Barsoukov, Garry Elder | 2011-11-01 |
| 7856328 | Systems, methods and circuits for determining potential battery failure based on a rate of change of internal impedance | Yevgen P. Barsoukov, Garry Elder | 2010-12-21 |
| 7808244 | System and method for determining state of charge of a battery utilizing initial voltage and current measurement and a previous estimate of battery resistance | Yevgen Barsukov, William Harold Jackson, Jr. | 2010-10-05 |
| 7489109 | Integrated battery charger and system regulator circuit | Donald P. Folkes, Dean F. Henderson | 2009-02-10 |
| 7443140 | Method and apparatus for operating a battery to avoid damage and maximize use of battery capacity by terminating battery discharge | Yevgen Barsukov, Dan R. Poole | 2008-10-28 |
| 7439721 | Constant-on-time power-supply controller and related system and method | Da Feng Weng | 2008-10-21 |
| 7245113 | High light load efficiency synchronous buck regulator with pulse skipping control | Jason Chen, Sisan Shen | 2007-07-17 |
| 6630797 | High efficiency driver apparatus for driving a cold cathode fluorescent lamp | DaFeng Weng | 2003-10-07 |
| 6519164 | Single power stage AC/DC forward converter with power switch voltage clamping function | DaFeng Weng | 2003-02-11 |
| 6512352 | Active clamp step-down converter with power switch voltage clamping function | — | 2003-01-28 |
| 6507174 | Voltage regulator with clamping circuit | — | 2003-01-14 |
| 6487094 | High efficiency DC-DC power converter | DaFeng Weng | 2002-11-26 |
| 6486642 | Tapped-inductor step-down converter and method for clamping the tapped-inductor step-down converter | — | 2002-11-26 |
| 6477064 | High efficiency DC-DC power converter with turn-off snubber | DaFeng Weng | 2002-11-05 |
| 6473318 | Leakage energy recovering system and method for flyback converter | Da Feng Weng | 2002-10-29 |
| 6441652 | High efficiency high frequency resonant gate driver for power converter | — | 2002-08-27 |
| 6417629 | Push-pull based voltage-clamping electronic ballast | DaFeng Weng | 2002-07-09 |
| 6323606 | Monitor deflection circuit | — | 2001-11-27 |