Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5306730 | Botulinum toxin neutralizer | Yoshitaka Nagai, Koutaro Takamizawa, Ryuichiro Tanaka, Toshizo Sakurai, Masahiko Mutai | 1994-04-26 |
| 4771039 | Botulinus toxin neutralizer | Ryuichiro Tanaka, Koutaro Takamizawa, Toshizo Sakurai, Mitsuo Mada, Masahiko Mutai | 1988-09-13 |