Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9270217 | Combination charger and motive power device | — | 2016-02-23 |
| 8836289 | Combination charger and motive power device | — | 2014-09-16 |
| 7983013 | Operating and controlling insulated gate bipolar transistors in high speed failure mode situations | Fengtai Huang, Bryan M. Ludwig, Subramanian Vadula, Lizhi Zhu, Richard J. Hampo | 2011-07-19 |
| 7973387 | Insulated gate bipolar transistor | — | 2011-07-05 |
| 7800921 | DC/DC converter | Lizhi Zhu, John M. Van Dyke | 2010-09-21 |
| 7676911 | Method to reduce module inductance | — | 2010-03-16 |
| 7505294 | Tri-level inverter | Sayeed Ahmed, Ajay V. Patwardhan, Douglas Maly | 2009-03-17 |
| 7443692 | Power converter architecture employing at least one capacitor across a DC bus | Ajay V. Patwardhan, Douglas Maly, Sayeed Ahmed | 2008-10-28 |
| 7301755 | Architecture for power modules such as power inverters | Pablo Rodriguez, Douglas Maly, Ajay V. Patwardhan, Kanghua Chen, Sayeed Ahmed +1 more | 2007-11-27 |
| 7292451 | Architecture for power modules such as power inverters | Pablo Rodriguez, Douglas Maly, Ajay V. Patwardhan, Kanghua Chen, Sayeed Ahmed +1 more | 2007-11-06 |
| 7289343 | Architecture for power modules such as power inverters | Pablo Rodriguez, Douglas Maly, Ajay V. Patwardhan, Kanghua Chen, Sayeed Ahmed +1 more | 2007-10-30 |
| 7193860 | Leadframe-based module DC bus design to reduce module inductance | Scott Parkhill, Sayeed Ahmed | 2007-03-20 |
| 7187558 | Leadframe-based module DC bus design to reduce module inductance | Scott Parkhill, Sayeed Ahmed | 2007-03-06 |
| 7180763 | Power converter | Ajay V. Patwardhan, Douglas Maly, Sayeed Ahmed, Pablo Rodriguez, Kanghua Chen +1 more | 2007-02-20 |
| 7046535 | Architecture for power modules such as power inverters | Pablo Rodriguez, Douglas Maly, Ajay V. Patwardhan, Kanghua Chen, Sayeed Ahmed +1 more | 2006-05-16 |
| 7012810 | Leadframe-based module DC bus design to reduce module inductance | Scott Parkhill, Sayeed Ahmed | 2006-03-14 |
| 6987670 | Dual power module power system architecture | Sayeed Ahmed, Ajay V. Patwardhan, Douglas Maly | 2006-01-17 |
| 6906404 | Power module with voltage overshoot limiting | Douglas Maly, Sayeed Ahmed, Ajay V. Patwardhan | 2005-06-14 |
| 6845017 | Substrate-level DC bus design to reduce module inductance | Sayeed Ahmed, Scott Parkhill, Douglas Maly | 2005-01-18 |
| 6793502 | Press (non-soldered) contacts for high current electrical connections in power modules | Scott Parkhill, Sayeed Ahmed | 2004-09-21 |
| 6636429 | EMI reduction in power modules through the use of integrated capacitors on the substrate level | Douglas Maly, Sayeed Ahmed, Scott Parkhill | 2003-10-21 |