Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6500002 | Oral cavity spreading apparatus | — | 2002-12-31 |
| 6132212 | Material and apparatus for removing dental caries | Masatomo Watanabe, Tetsuo Ochiai | 2000-10-17 |
| 6126444 | Plaque remover injected with water or with water and compressed air | — | 2000-10-03 |