Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6224334 | Steam turbine, rotor shaft thereof, and heat resisting steel | Masao Siga, Yutaka Fukui, Mitsuo Kuriyama, Masateru Suwa, Ryoichi Kaneko +5 more | 2001-05-01 |
| 5624235 | Steam turbine, rotor shaft thereof, and heat resisting steel | Masao Siga, Yutaka Fukui, Mitsuo Kuriyama, Masateru Suwa, Ryoichi Kaneko +5 more | 1997-04-29 |
| 5569338 | Steam turbine rotor shaft thereof and heat resisting steel | Masao Siga, Yutaka Fukui, Mitsuo Kuriyama, Masateru Suwa, Ryoichi Kaneko +5 more | 1996-10-29 |
| 5536146 | Combined generator system | Masao Siga, Yutaka Fukui, Mitsuo Kuriyama, Masateru Suwa, Ryoichi Kaneko +5 more | 1996-07-16 |
| 5383768 | Steam turbine, rotor shaft thereof, and heat resisting steel | Masao Siga, Yutaka Fukui, Mitsuo Kuriyama, Masateru Suwa, Ryoichi Kaneko +5 more | 1995-01-24 |