Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5227297 | Affinity purification ligands | A. Hirotoshi Nishikawa | 1993-07-13 |
| 5141862 | Method of purifying tpa or plasminogen activator using a tripeptide of the formula: -X-Y-argininal wherein X and Y are selected from the group consisting of pro,phe,trp and tyr | A. Hirotoshi Nishikawa | 1992-08-25 |