Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5051509 | Novel quinolonecarboxylic acid derivatives | Hiroyuki Nagano, Takeshi Yokota | 1991-09-24 |
| 4855497 | Novel diamine derivatives | Mitiro Takagi, Tamotsu Yamazaki | 1989-08-08 |