Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5919824 | Aminophenol derivatives | Keiichi Kawagoe, Yasuyuki Takeda, Yoshihiro Yokomizo, Aki Yokomizo | 1999-07-06 |
| 5142046 | Optically active pyridobenzoxazine derivatives and intermediates thereof | Isao Hayakawa, Shohgo Atarashi, Masazumi Imamura, Nobuyuki Higashihashi, Katsuichi Sakano +1 more | 1992-08-25 |
| 5098919 | Pyrrolo(2,1-B)thiazole derivatives | Norio Suzuki, Atsushi Nakayama, Toru Hosokami, Masashi Hasegawa | 1992-03-24 |
| 5053407 | Optically active pyridobenzoxazine derivatives and anti-microbial use | Isao Hayakawa, Shohgo Atarashi, Masazumi Imamura, Nobuyuki Higashihashi, Katsuichi Sakano +1 more | 1991-10-01 |
| 4985557 | Optically active pyridobenzoxazine derivatives and intermediates thereof | Isao Hayakawa, Shohgo Atarashi, Masazumi Imamura, Nobuyuki Higashihashi, Katsuichi Sakano +1 more | 1991-01-15 |
| 4898943 | Tricyclic triazolopyrimidine derivatives | Sumiro Isoda, Shunzo Aibara, Tamotsu Miwa, Hiroyuki Fujiwara, Hiroo Matsumoto | 1990-02-06 |
| 4871852 | Quinoline-carboxylic acid derivatives | Isao Hayakawa, Shohgo Atarashi, Masazumi Imamura | 1989-10-03 |