Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5559211 | Biologically active product produced by streptococcus pyogenes and method of purification | Katsuo Kumagai, Hidemi Rikiishi, Keiji Tamura, Eiji Nemoto, Shigefumi Okamoto +1 more | 1996-09-24 |