Issued Patents 1994
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5364890 | Dental adhesive composition | Junichi Okada | 1994-11-15 |
| 5356951 | Composition for dental restorative material | John A. Yearn | 1994-10-18 |
| 5290172 | Method for preparing a tooth surface for bonding | Yohji Imai | 1994-03-01 |
| 5288341 | Agent and method for treating the surfaces of metals | Katsunori Kojima, Yohji Imai | 1994-02-22 |