Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6602492 | Cysteine derivatives | Keiji Iwasaki, Eiji Shiojiri, Kazutami Sakamoto | 2003-08-05 |
| 6552061 | Amino acid derivatives and anti-inflammatory agents | Keiji Iwasaki, Eiji Shiojiri | 2003-04-22 |