Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5047428 | Expectorant comprising hydroxyalkylcysteine derivative | Yoshikuni Itoh, Hiroyuki Mizuno, Susumu Sato, Tatsuhiko Katori | 1991-09-10 |
| 4906665 | Hydroxyalkylcysteine derivative and expectorant containing the same | Yoshikuni Itoh, Hiroyuki Mizuno, Susumu Sato, Tatsuhiko Katori | 1990-03-06 |