Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873342 | Dipeptide derivative and synthesis and use thereof | Takaharu Tanaka, Masayuki Saitoh, Naoki Higuchi | 1989-10-10 |
| 4856800 | Pipe joining construction of a bicycle frame | Noboru Yamaguchi | 1989-08-15 |
| 4846490 | Construction of a bicycle frame for joining chainstays with a bottom bracket shell | Noboru Yamaguchi | 1989-07-11 |
| 4826870 | Pyrrolidineamide derivative of acylamino acid and pharmaceutical containing the same | Naoki Higuchi, Masayuki Saitoh, Harukazu Fukami, Takaharu Tanaka | 1989-05-02 |
| 4810721 | Pyrrolidineamide derivative having anti-prolyl endopeptidase | Masayuki Saitoh, Takaharu Tanaka, Naoki Higuchi, Harukazu Fukami | 1989-03-07 |