Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6495162 | Controlled release oral tablet having a unitary core | Xiu Xiu Cheng, Steve Jan, Joseph Chou | 2002-12-17 |
| 6485748 | Once daily pharmaceutical tablet having a unitary core | Joseph Chou | 2002-11-26 |
| 6462854 | Changing the positions of lenses by way of movement of optical module | — | 2002-10-08 |