Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5665120 | Biomedical material including tube-like biodegradeable nety works filled with hydroxylapatite | Torao Ohtsuka, Hideo Tagai, Shigeo Niwa, Kazuhiko Sawai, Hajime Ohta | 1997-09-09 |