Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9936728 | Method and device for forming cigarette filter rod | Xu Wang, Yigang Tong, Yong Si | 2018-04-10 |
| 6664464 | EMI shielding device | Hung-Ta Liao, Wei-Jen Lee, Guo-Ming Huang | 2003-12-16 |
| 6567275 | Modular stack device | Chih-Hsiang Lee, Ching-Yuan Wang | 2003-05-20 |