Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5665394 | Matrix for sustained-release preparation | Yasutaka Igari, Akira Saikawa, Kayoko Okamoto, Shigeru Kamei, Atsunori Sano | 1997-09-09 |
| 5594091 | Matrix for sustained-release preparation | Yasutaka Igari, Akira Saikawa, Kayoko Okamoto, Shigeru Kamei, Atsunori Sano | 1997-01-14 |