Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5142046 | Optically active pyridobenzoxazine derivatives and intermediates thereof | Isao Hayakawa, Shohgo Atarashi, Masazumi Imamura, Shuichi Yokohama, Nobuyuki Higashihashi +1 more | 1992-08-25 |
| 5053407 | Optically active pyridobenzoxazine derivatives and anti-microbial use | Isao Hayakawa, Shohgo Atarashi, Masazumi Imamura, Shuichi Yokohama, Nobuyuki Higashihashi +1 more | 1991-10-01 |
| 4985557 | Optically active pyridobenzoxazine derivatives and intermediates thereof | Isao Hayakawa, Shohgo Atarashi, Masazumi Imamura, Shuichi Yokohama, Nobuyuki Higashihashi +1 more | 1991-01-15 |