Issued Patents 2018
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9960712 | Converter topologies and control | Hengsi Qin, Patrick L. Chapman | 2018-05-01 |
| 9954462 | Converter topologies and control | Patrick L. Chapman, Jonathan Ehlmann | 2018-04-24 |
| 9923488 | Soft switching technique for a grid-tied inverter | — | 2018-03-20 |