Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880841 | Process of producing phenethylamine derivatives | Kazuo Imai, Kunihiro Niigata, Shinichi Hashimoto, Toichi Takenaka, Kazuo Honda | 1989-11-14 |
| 4876261 | Substituted tetrahydroisoquinoline compounds and composition containing them | Akihiro Tanaka, Ryuji Tsuzuki, Masaki Yokota, Takeyuki Yatsu | 1989-10-24 |
| 4868216 | Sulfamoyl-substituted phenethylamine derivatives and process of producing them | Kazuo Imai, Kunihiro Niigata, Shinichi Hashimoto, Toichi Takenaka | 1989-09-19 |
| 4843085 | Pyridine derivatives, process for production thereof and pharmaceutical compositions useful as anti-arhytmics | Yuzo Matsumoto, Masharu Asano | 1989-06-27 |