Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7594008 | Site monitoring method and site monitoring apparatus | Hiroto Toda, Akio Fujino | 2009-09-22 |
| 5728395 | Hydroxylapatite base porous beads filler for organism and method of producing the same | Torao Ohtsuka, Hideo Tagai, Takayuri Kato, Shinpei Hashimoto, Kazuhiko Sawai +2 more | 1998-03-17 |
| 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 |
| 5266248 | Method of producing hydroxylapatite base porous beads filler for an organism | Torao Ohtsuka, Hideo Tagai, Takayuri Kato, Shinpei Hashimoto, Kazuhiko Sawai +2 more | 1993-11-30 |
| 4906444 | Method of manufacturing calcium phosphate using phosphorus in plants | Torao Ohtsuka | 1990-03-06 |