Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880806 | 1-Cyclopropyl-6-fl uoro-7-piperazinyl-1,4-Dihydro-4-oxo-quinoline-3-carboxylic acid derivatives | Hiraki Ueda, Shinji Aki, Tatsuya Otsuka | 1989-11-14 |
| 4874764 | Benzoheterocyclic compounds | Hiraki Ueda, Shinji Aki, Tatsuya Otsuka | 1989-10-17 |
| 4855292 | 1-cyclopropyl-6-fluoro-8-alkyl-1,4-dihydro-4-oxo-quinoline-3-carboxylic acid derivatives | Hiraki Ueda, Shinji Aki, Tatsuya Otsuka | 1989-08-08 |