Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9484142 | Circuit board and power conversion apparatus having circuit board | Yongfa Zhu, Chengzhang Han | 2016-11-01 |
| 9299490 | Circuit board and power conversion apparatus having circuit board | Yongfa Zhu, Chengzhang Han | 2016-03-29 |