Showing 1–5 of 5 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Shizutoshi Nakagawa | Wakunaga Seiyaku Kabushiki Kaisha | 1 |
| 1 | Tsuyoshi Ushiroguchi | Wakunaga Seiyaku Kabushiki Kaisha | 1 |
| 1 | Hiromichi Matsuura | Wakunaga Seiyaku Kabushiki Kaisha | 1 |
| 1 | Yuzo Hirao | Wakunaga Pharmaceutical Co. | 1 |
| 1 | Masaharu Yokomoto | Wakunaga Seiyaku Kabushiki Kaisha | 1 |