Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5728395 | Hydroxylapatite base porous beads filler for organism and method of producing the same | Torao Ohtsuka, Makoto Fukaya, Hideo Tagai, Takayuri Kato, Shinpei Hashimoto +2 more | 1998-03-17 |
| 5665120 | Biomedical material including tube-like biodegradeable nety works filled with hydroxylapatite | Torao Ohtsuka, Makoto Fukaya, Hideo Tagai, Shigeo Niwa, Hajime Ohta | 1997-09-09 |
| 5266248 | Method of producing hydroxylapatite base porous beads filler for an organism | Torao Ohtsuka, Makoto Fukaya, Hideo Tagai, Takayuri Kato, Shinpei Hashimoto +2 more | 1993-11-30 |
| 4994085 | Artificial stem unit for coxa with setting guide | Shigeo Niwa, Tomokazu Hattori, Wataru Yagi, Ryohei Yabuno, Masami Ishii | 1991-02-19 |
| 4979958 | Artificial stem for femur of coxa | Shigeo Niwa, Tomokazu Hattori, Yasumasa Matsuda, Wataru Yagi, Masami Ishii +2 more | 1990-12-25 |
| 4497075 | Filler for filling in defects or hollow portions of bones | Shigeo Niwa, Shinobu Takahashi, Mikiya Ono, Yoshiaki Fukuda, Hiroyasu Takeuchi +1 more | 1985-02-05 |
| 4429691 | Method for filling in defects or hollow portions of bones | Shigeo Niwa, Shinobu Takahashi, Hideo Tagai, Mikiya Ono, Yoshiaki Fukuda +1 more | 1984-02-07 |