Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5322675 | Method of preparing calcium phosphate | Yasuharu Hakamatsuka, Sukezo Kawamura, Motohiro Toriyama | 1994-06-21 |
| 5318779 | Drug-impregnated ceramic | Yasuharu Hakamatsuka | 1994-06-07 |