Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5697980 | Artificial filling and prosthetic material | Sugio Otani, Sadakatsu Yanagisawa, Kunio Niijima, Kazusi Matuura, Hirosi Machino | 1997-12-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5697980 | Artificial filling and prosthetic material | Sugio Otani, Sadakatsu Yanagisawa, Kunio Niijima, Kazusi Matuura, Hirosi Machino | 1997-12-16 |