Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4990508 | Pyridone carboxylic acid derivatives and salts thereof, process for producing the same and antibacterial agents comprising the same | Hirokazu Narita, Yozo Todo, Jun Nitta, Hiroyasu Takagi, Mikako Miyajima +2 more | 1991-02-05 |