Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5651990 | Prolonged release microparticle preparation and production of the same | Shigeyuki Takada, Yasuaki Ogawa | 1997-07-29 |
| 5635520 | Anti-ulcer compositions suitable for rectal administration | — | 1997-06-03 |
| 5622657 | Prolonged release microparticle preparation and production of the same | Shigeyuki Takada, Yasuaki Ogawa | 1997-04-22 |