Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8027501 | Headphone | Chien-Cheng Yang, Yu-chang Fun | 2011-09-27 |
| 7971338 | Fabricating method for earphone | Chien-Cheng Yang | 2011-07-05 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8027501 | Headphone | Chien-Cheng Yang, Yu-chang Fun | 2011-09-27 |
| 7971338 | Fabricating method for earphone | Chien-Cheng Yang | 2011-07-05 |