Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5648446 | Diguanamines and preparation process, derivatives and use thereof | Tetsuya Oishi, Jin Suzuki, Hiroshi Ono | 1997-07-15 |
| 5646240 | Diguanamines and preparation process, derivatives and use thereof | Tetsuya Oishi, Jin Suzuki, Hiroshi Ono | 1997-07-08 |