Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5624683 | Sustained-release multi-granule tablet | Sumio Watanabe, Yasuo Miyake | 1997-04-29 |
| 5576021 | Sustained-release multi-granule tablet | Sumio Watanabe, Yasuo Miyake | 1996-11-19 |
| 5030455 | Sustained-release drug preparation | Sumio Watanabe, Yasuo Miyake | 1991-07-09 |