Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7439838 | Transformers and winding units thereof | Kai-Yuan Cheng, I-Chi Cheng, Hsin-Wei Tsai, Wen-Pin Feng, Heng-Cheng Chou +2 more | 2008-10-21 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7439838 | Transformers and winding units thereof | Kai-Yuan Cheng, I-Chi Cheng, Hsin-Wei Tsai, Wen-Pin Feng, Heng-Cheng Chou +2 more | 2008-10-21 |