Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6800629 | Pyrazine derivatives or salts thereof, pharmaceutical composition containing the same, and production intermediates thereof | Hiroyuki Egawa, Jun Sugita | 2004-10-05 |
| 6787544 | Nitrogen-containing heterocyclic carboxamide derivatives or salts thereof and antiviral agents comprising the same | Hiroyuki Egawa, Nobuhiko Nomura | 2004-09-07 |