Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5342575 | Process for producing billet of powdery alloy by special arrangement of powders | — | 1994-08-30 |
| 5306730 | Botulinum toxin neutralizer | Koutaro Takamizawa, Ryuichiro Tanaka, Hiroo Takayama, Toshizo Sakurai, Masahiko Mutai | 1994-04-26 |