Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4826870 | Pyrrolidineamide derivative of acylamino acid and pharmaceutical containing the same | Naoki Higuchi, Masayuki Saitoh, Masaki Hashimoto, Takaharu Tanaka | 1989-05-02 |
| 4810721 | Pyrrolidineamide derivative having anti-prolyl endopeptidase | Masayuki Saitoh, Takaharu Tanaka, Naoki Higuchi, Masaki Hashimoto | 1989-03-07 |