Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6670447 | Amino acid N-carboxyanhydrides with acyl substituents on nitrogen atoms thereof | Hidetoshi Tsunoda, Michiru Sekiguchi, Kazuya Sakai | 2003-12-30 |
| 6555694 | Method for production of pyrrolidinone derivatives | Hiroshi Nagase, Naruyoshi Mita | 2003-04-29 |