Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5231189 | Process for producing N-substituted aziridine compound | Hitoshi Yano, Yuuji Shimasaki, Kimio Ariyoshi, Hideki Masada, Michio Ueshima | 1993-07-27 |
| 4841061 | Process for producing cyclic amines | Yuuji Shimasaki, Michio Ueshima, Kimio Ariyoshi | 1989-06-20 |
| 4833248 | Catalyst for vapor-phase intramolecular dehydration reaction of alkanolamines | Yuuji Shimasaki, Youichi Hino, Hitoshi Yano, Michio Ueshima | 1989-05-23 |
| 4774218 | Catalyst for vapor-phase intramolecular dehydration reaction of alkanolamines | Yuuji Shimasaki, Youichi Hino, Hitoshi Yano, Michio Ueshima | 1988-09-27 |