Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7268745 | Coaxial cable free quadri-filar helical antenna structure | Chia-Chun Hung | 2007-09-11 |
| 7158093 | Quadri-filar helix antenna structure | Chia-Chun Hung, Chun-Hao Chen, Ting-Chun Lee | 2007-01-02 |