Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5728395 | Hydroxylapatite base porous beads filler for organism and method of producing the same | Torao Ohtsuka, Makoto Fukaya, 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, Makoto Fukaya, Shigeo Niwa, Kazuhiko Sawai, Hajime Ohta | 1997-09-09 |
| 5266248 | Method of producing hydroxylapatite base porous beads filler for an organism | Torao Ohtsuka, Makoto Fukaya, Takayuri Kato, Shinpei Hashimoto, Kazuhiko Sawai +2 more | 1993-11-30 |
| 5013323 | Implant material for replacing hard tissue of living body | Masahiro Kobayashi, Yoshikatsu Kuroki, Shigeo Niwa, Mikiya Ono | 1991-05-07 |
| 4820573 | Fiber glass mainly composed of calcium phosphate | Masahiro Kobayashi, Shigeo Niwa, Hiroyasu Takeuchi, Mikiya Ono | 1989-04-11 |
| 4735857 | Fiber glass mainly composed of calcium phosphate | Masahiro Kobayashi, Shigeo Niwa, Hiroyasu Takeuchi, Mikiya Ono | 1988-04-05 |
| 4613577 | Fiber glass mainly composed of calcium phosphate | Masahiro Kobayashi, Shigeo Niwa, Hiroyasu Takeuchi, Mikiya Ono | 1986-09-23 |
| 4497075 | Filler for filling in defects or hollow portions of bones | Shigeo Niwa, Kazuhiko Sawai, Shinobu Takahashi, Mikiya Ono, Yoshiaki Fukuda +1 more | 1985-02-05 |
| 4429691 | Method for filling in defects or hollow portions of bones | Shigeo Niwa, Kazuhiko Sawai, Shinobu Takahashi, Mikiya Ono, Yoshiaki Fukuda +1 more | 1984-02-07 |