Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7101567 | Controlled release preparations having multi-layer structure | Akihiko Sano, Masako Kajihara | 2006-09-05 |
| 6756048 | Long time drug-sustained release preparation | Akihiko Sano, Hiroo Maeda, Masako Kajihara, Shunsuke Tani | 2004-06-29 |