Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5290172 | Method for preparing a tooth surface for bonding | Tetsuro Sakuma | 1994-03-01 |
| 5288341 | Agent and method for treating the surfaces of metals | Katsunori Kojima, Tetsuro Sakuma | 1994-02-22 |