Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4564675 | Process for producing 4'-demethyl-epipodophyllotoxin-.beta.-D-ethylidene-glucoside and acyl-derivative thereof | Katsuhiko Kurabayashi, Hitoshi Saito, Toshio Takahashi | 1986-01-14 |
| 4416819 | Process for preparing 1,5-benzothiazephine derivatives | Susumu Nagao, Katsuhiko Kurabayashi, Nobuyuki Futamura, Toshio Takahashi | 1983-11-22 |