SN

Shigeo Niwa

MC Mitsubishi Mining & Cement Co.: 6 patents #4 of 110Top 4%
Ngk Spark Plug Co.: 4 patents #450 of 1,594Top 30%
Aisin Seiki Kabushiki Kaisha: 3 patents #1,084 of 3,782Top 30%
SC Seiko Electronic Components: 1 patents #18 of 47Top 40%
Pfizer: 1 patents #3,022 of 5,153Top 60%
📍 Ebeye: #224 of 4,528 inventorsTop 5%
Overall (All Time): #260,599 of 4,157,543Top 7%
18
Patents All Time

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDate
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, Kazuhiko Sawai, 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
5213112 Tension meter for orthopedic surgery Mineo Sakakibara 1993-05-25
5013323 Implant material for replacing hard tissue of living body Masahiro Kobayashi, Hideo Tagai, Yoshikatsu Kuroki, Mikiya Ono 1991-05-07
5007932 Artificial bone joint Katsutoshi Bekki, Kazuo Kondo, Yoshimasa Shibata 1991-04-16
4994085 Artificial stem unit for coxa with setting guide Kazuhiko Sawai, Tomokazu Hattori, Wataru Yagi, Ryohei Yabuno, Masami Ishii 1991-02-19
4979958 Artificial stem for femur of coxa Kazuhiko Sawai, Tomokazu Hattori, Yasumasa Matsuda, Wataru Yagi, Masami Ishii +2 more 1990-12-25
4944758 Artificial finger joint Katsutoshi Bekki 1990-07-31
4910473 Digitally temperature-compensated oscillator 1990-03-20
4820573 Fiber glass mainly composed of calcium phosphate Hideo Tagai, Masahiro Kobayashi, Hiroyasu Takeuchi, Mikiya Ono 1989-04-11
4735857 Fiber glass mainly composed of calcium phosphate Hideo Tagai, Masahiro Kobayashi, Hiroyasu Takeuchi, Mikiya Ono 1988-04-05
4685919 Artificial joint Kazuo Kondo, Katsutoshi Betsuki 1987-08-11
4636218 Artificial articulation Isamu Fukuura 1987-01-13
4613577 Fiber glass mainly composed of calcium phosphate Hideo Tagai, Masahiro Kobayashi, Hiroyasu Takeuchi, Mikiya Ono 1986-09-23
4610693 Implanting article molded by centrifugal dispersion and the method for producing the same Junji Sugishita, Masami Ishii 1986-09-09
4497075 Filler for filling in defects or hollow portions of bones Kazuhiko Sawai, Shinobu Takahashi, Mikiya Ono, Yoshiaki Fukuda, Hiroyasu Takeuchi +1 more 1985-02-05
4429691 Method for filling in defects or hollow portions of bones Kazuhiko Sawai, Shinobu Takahashi, Hideo Tagai, Mikiya Ono, Yoshiaki Fukuda +1 more 1984-02-07