Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4864023 | Pyrido(3,2,1-IJ)-1,3,4-benzoxadiazine derivatives | Nobuo Shimma, Mikayo Kamata, Masahiro Aoki, Tatsuo Ohtsuka | 1989-09-05 |
| 4801584 | Pyrido(3,2,1-IJ)-1,3,4 benzoxadiazine derivatives | Nobuo Shimma, Miyako Kamata, Masahiro Aoki, Tatsuo Ohtsuka | 1989-01-31 |