Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5012503 | Method for sterilization of polyvinyl alcohol gel by .gamma.-ray | Masao Nambu, Masayuki Onohara | 1991-04-30 |
| 4897433 | Process for producing an anti-thrombogenic material by graft polymerization | Takanobu Sugo, Jiro Okamoto, Seiryo Tasaki | 1990-01-30 |