Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6245810 | Amino acid derivatives | Masaaki Ishizuka, Toshiaki Katsumi, Yoshihide Fuse, Kenji Maeda, Tomio Takeuchi | 2001-06-12 |
| 5798387 | Amino acid derivatives | Masaaki Ishizuka, Toshiaki Katsumi, Yoshihide Fuse, Kenji Maeda, Tomio Takeuchi | 1998-08-25 |