Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5266485 | Method of manufacturing optically active (-)-2-halo-1-(substituted phenyl) ethanol by ketone reduction | Ikuo Sawa, Yuko Konishi, Junzo Hasegawa | 1993-11-30 |
| 5187094 | Method for the preparation of optically active 3-hydroxypyrrolidine derivatives | Ikuo Sawa, Natsuki Mori, Hidetoshi Kutsuki, Junzo Hasegawa | 1993-02-16 |