Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7601363 | Sustained-release drug formulations | Akihiko Sano, Hiroo Maeda | 2009-10-13 |
| 7247312 | Sustained-release drug formulations for implantation | Akihiko Sano, Hiroo Maeda | 2007-07-24 |
| 7101567 | Controlled release preparations having multi-layer structure | Akihiko Sano, Toshihiko Sugie | 2006-09-05 |
| 6756048 | Long time drug-sustained release preparation | Akihiko Sano, Hiroo Maeda, Shunsuke Tani, Toshihiko Sugie | 2004-06-29 |
| 5851547 | Controlled release drug formulation of open end cylindrical rod form | Keiji Fujioka, Takeshi Hirasawa, Akihiko Sano, Shuichi Sugawara, Yosuke Urabe | 1998-12-22 |