Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9991884 | Switching circuits having ferrite beads | Zhan Wang, Yifeng Wu | 2018-06-05 |
| 9899998 | Bridge circuits and their components | Yifeng Wu | 2018-02-20 |
| 9690314 | Inductive load power switching circuits | Yifeng Wu | 2017-06-27 |
| 9660640 | Switching circuits having ferrite beads | Zhan Wang, Yifeng Wu | 2017-05-23 |
| 9543940 | Switching circuits having ferrite beads | Zhan Wang, Yifeng Wu | 2017-01-10 |
| 9537425 | Multilevel inverters and their components | — | 2017-01-03 |
| 9293458 | Semiconductor electronic components and circuits | Primit Parikh, Carl C. Blake, Jr., Robert Coffie, Yifeng Wu, Umesh Mishra | 2016-03-22 |
| 9041435 | Method of forming electronic components with reactive filters | Yifeng Wu | 2015-05-26 |
| 8912839 | Bridge circuits and their components | Yifeng Wu | 2014-12-16 |
| 8816751 | Inductive load power switching circuits | Yifeng Wu | 2014-08-26 |
| 8786327 | Electronic components with reactive filters | Yifeng Wu | 2014-07-22 |
| 8682622 | Smoothness indicator analysis system | Mark W. Brenner, Raymond J. Bumann, III, Gary L. Godbersen | 2014-03-25 |
| 8624662 | Semiconductor electronic components and circuits | Primit Parikh, Carl C. Blake, Jr., Robert Coffie, Yifeng Wu, Umesh Mishra | 2014-01-07 |
| 8531232 | Inductive load power switching circuits | Yifeng Wu | 2013-09-10 |
| 8508281 | Bridge circuits and their components | Yifeng Wu | 2013-08-13 |
| 8493129 | Inductive load power switching circuits | Yifeng Wu | 2013-07-23 |
| 8289065 | Inductive load power switching circuits | Yifeng Wu | 2012-10-16 |
| 7965126 | Bridge circuits and their components | Yifeng Wu | 2011-06-21 |
| 7875907 | III-nitride bidirectional switches | Primit Parikh, Yifeng Wu, Ilan Ben-Yaacov | 2011-01-25 |
| 7850395 | Smoothness indicator analysis system | Mark W. Brenner, Raymond J. Bumann, III, Gary L. Godbersen | 2010-12-14 |
| 7845878 | Smoothness indicator | Gary L. Godbersen | 2010-12-07 |
| 7044680 | Method and apparatus for calculating and using the profile of a surface | Gary L. Godbersen | 2006-05-16 |