Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5651990 | Prolonged release microparticle preparation and production of the same | Yoshiaki Uda, Yasuaki Ogawa | 1997-07-29 |
| 5622657 | Prolonged release microparticle preparation and production of the same | Yoshiaki Uda, Yasuaki Ogawa | 1997-04-22 |