Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6469560 | Electrostatic discharge protective circuit | Yi-Hua Chang, Chih-Fu Chien | 2002-10-22 |
| 6462601 | Electrostatic discharge protection circuit layout | Yi-Hua Chang | 2002-10-08 |
| 6398653 | Baton structure | — | 2002-06-04 |
| 6357265 | Theftproof lock structure | — | 2002-03-19 |