Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698610 | Low-dust dental alginate impression material composition | Nobutaka Watanabe | 1997-12-16 |
| 5637628 | Silicone composition for dental impressions | Hiroshi Kamohara | 1997-06-10 |
| 5631320 | Soft lining material composition for dentures | Hiroshi Kamohara, Masayuki Ikeno, Hideki Sugahara | 1997-05-20 |