Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873342 | Dipeptide derivative and synthesis and use thereof | Masayuki Saitoh, Naoki Higuchi, Masaki Hashimoto | 1989-10-10 |
| 4826870 | Pyrrolidineamide derivative of acylamino acid and pharmaceutical containing the same | Naoki Higuchi, Masayuki Saitoh, Masaki Hashimoto, Harukazu Fukami | 1989-05-02 |
| 4810721 | Pyrrolidineamide derivative having anti-prolyl endopeptidase | Masayuki Saitoh, Naoki Higuchi, Masaki Hashimoto, Harukazu Fukami | 1989-03-07 |