Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6568937 | Root canal filling material | Takaharu Takeshita | 2003-05-27 |
| 6559200 | Dental alginate impression material composition | Nobutaka Watanabe, Makiko Takeo, Hiroki NAITO | 2003-05-06 |
| 6509390 | Two-paste dental alginate impression material | Nobutaka Watanabe | 2003-01-21 |