Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5814342 | Prolonged release microcapsules | Hiroaki Okada, Yasuaki Ogawa | 1998-09-29 |
| 5643607 | Prolonged release microcapsules | Hiroaki Okada, Yasuaki Ogawa | 1997-07-01 |
| 5480656 | Prolonged release microcapsules | Hiroaki Okada, Yasuaki Ogawa | 1996-01-02 |