Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6218548 | Production process of cyclic compound | Toshifumi Akiba, Tatsuru Saito, Sadahiro Shimizu, Keiichi Hirai, Naoki Ohta +1 more | 2001-04-17 |
| 6013806 | Production process of cyclic compound | Toshifumi Akiba, Tatsuru Saito, Sadahiro Shimizu, Keiichi Hirai, Naoki Ohta +1 more | 2000-01-11 |
| 5856518 | Production process of cyclic compound | Toshifumi Akiba, Tatsuru Saito, Sadahiro Shimizu, Keiichi Hirai, Naoki Ohta +1 more | 1999-01-05 |
| 5312999 | Propoxybenzene derivatives and process for preparing the same | Toshihiro Fujiwara | 1994-05-17 |
| 5136059 | Propoxybenzene derivatives and process for preparing the same | Toshihiro Fujiwara | 1992-08-04 |