Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5700810 | Condensed heterocyclic compounds, their production and use | Hideaki Natsugari, Hitoshi Ikeda, Takenori Ishimaru | 1997-12-23 |
| 5594154 | Intermediates for pharmaceutically useful aminocoumaran derivatives | Tetsuya Aono, Shigenori Ohkawa | 1997-01-14 |