Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5697980 | Artificial filling and prosthetic material | Sugio Otani, Sadakatsu Yanagisawa, Kazusi Matuura, Hirosi Machino, Toru Fuse | 1997-12-16 |
| 5049074 | Dental implant | Sugio Otani, Sadakatsu Yanagisawa, Kazusi Matuura, Hirosi Matino, Tooru Fuse | 1991-09-17 |
| 4457984 | Carbon artificial prosthetic material | Sugio Otani, Sadakatsu Yanagisawa | 1984-07-03 |