Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5623074 | Substituted tetrahydroisoquinoline compounds, and process for producing them, and composition containing them | Akihiro Tanaka, Takashi Fujikura, Ryuji Tsuzuki, Masaki Yokota | 1997-04-22 |