Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5769932 | Surface treatment material required in fusing dental porcelain which prevents deposition of coat due to antioxidant and strongly bonds metal frame and dental porcelain with each other | — | 1998-06-23 |
| 5419784 | Surface treatment material for a metallic base of an artificial tooth and a surface treatment process using the surface treatment material | — | 1995-05-30 |