Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4966915 | L-dopa derivatives or their acid addition salts, process for producing same and their use | Yoshimi Tsuchiya, Masahiro Hayashi, Hiroshi Takehana, Yoshio Sawasaki, Masaki Ihara | 1990-10-30 |