Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6807591 | Method and apparatus for playing multi-function device | — | 2004-10-19 |
| 6792487 | Universal serial bus (USB) connector connecting structure for a multi-function device | — | 2004-09-14 |
| 6723609 | Method of preventing leakage current of a metal-oxide semiconductor transistor | Ming-Sheng Yang, Chin-Cheng Chien | 2004-04-20 |
| D486471 | Portable apparatus for playing multi-function device | — | 2004-02-10 |