Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5869694 | Process for preparing 4-hydroxy-2-pyrrolidone | Yutaka Shiomi, Kenichi Nagao | 1999-02-09 |
| 5780650 | Process for preparation of 1,4-benzodioxane derivative | Kazuhiro Kitaori, Keishi Takenaka | 1998-07-14 |