Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6224334 | Steam turbine, rotor shaft thereof, and heat resisting steel | Yutaka Fukui, Mitsuo Kuriyama, Yoshimi Maeno, Masateru Suwa, Ryoichi Kaneko +5 more | 2001-05-01 |
| 6182439 | High and low pressure sides-integrating system turbine, long blades thereof and combined cycle power generation system | Takeshi Onoda, Shigeyoshi Nakamura, Ryo Hiraga | 2001-02-06 |
| 6092989 | Compressor for turbine and gas turbine | Hajime Toriya, Yutaka Fukui | 2000-07-25 |
| 6074169 | High and low pressure sides-integrating steam turbine, long blades thereof and combined cycle power generation system | Takeshi Onoda, Shigeyoshi Nakamura, Ryo Hiraga | 2000-06-13 |
| 5906096 | Compressor for turbine and gas turbine | Hajime Toriya, Yutaka Fukui | 1999-05-25 |
| 5624235 | Steam turbine, rotor shaft thereof, and heat resisting steel | Yutaka Fukui, Mitsuo Kuriyama, Yoshimi Maeno, Masateru Suwa, Ryoichi Kaneko +5 more | 1997-04-29 |
| 5569338 | Steam turbine rotor shaft thereof and heat resisting steel | Yutaka Fukui, Mitsuo Kuriyama, Yoshimi Maeno, Masateru Suwa, Ryoichi Kaneko +5 more | 1996-10-29 |
| 5548174 | Steel rotor shafts of electric machines | Mitso Kuriyama, Takanobu Mori, Yutaka Fukui, Tatsuro Ishizuka | 1996-08-20 |
| 5536146 | Combined generator system | Yutaka Fukui, Mitsuo Kuriyama, Yoshimi Maeno, Masateru Suwa, Ryoichi Kaneko +5 more | 1996-07-16 |
| 5437742 | Steel rotor shafts for electric machines | Mitso Kuriyama, Takanobu Mori, Yutaka Fukui, Tatsuro Ishizuka | 1995-08-01 |
| 5428953 | Combined cycle gas turbine with high temperature alloy, monolithic compressor rotor | Hajime Toriya, Yutaka Fukui | 1995-07-04 |
| 5383768 | Steam turbine, rotor shaft thereof, and heat resisting steel | Yutaka Fukui, Mitsuo Kuriyama, Yoshimi Maeno, Masateru Suwa, Ryoichi Kaneko +5 more | 1995-01-24 |
| 5360318 | Compressor for gas turbine and gas turbine | Hajime Toriya, Yutaka Fukui | 1994-11-01 |
| 5288455 | Steel for rotor shafts of electric machines and method and product thereof | Mitso Kuriyama, Takanobu Mori, Yutaka Fukui, Tatsuro Ishizuka | 1994-02-22 |
| 5008072 | Heat resistant steel and gas turbine components composed of the same | Yutaka Fukui, Mitsuo Kuriyama, Soichi Kurosawa, Katsumi Iijima, Nobuyuki Iizuka +4 more | 1991-04-16 |
| 4850187 | Gas turbine having components composed of heat resistant steel | Yutaka Fukui, Mitsuo Kuriyama, Soichi Kurosawa, Katsumi Iijima, Nobuyuki Iizuka +4 more | 1989-07-25 |
| 4585478 | Heat resisting steel | Takatoshi Yoshioka, Seishin Kirihara, Mitsuo Kuriyama, Takehiko Yoshida, Takanori Murohoshi | 1986-04-29 |
| 4504554 | Rotor shaft of steam turbine | Takatoshi Yoshioka, Seishin Kirihara, Takehiko Yoshida, Katsukuni Hisano, Toshimi Tan +1 more | 1985-03-12 |
| 4497670 | Rotor shaft and manufacturing method thereof | Seishin Kirihara, Takatoshi Yoshioka, Katsukuni Hisano, Toshimi Tan, Yoji Akutsu +1 more | 1985-02-05 |
| 4414024 | Martensitic heat-resistant steel | Seishin Kirihara, Mitsuo Kuriyama, Takatoshi Yosioka, Shintaro Takahashi, Takehiko Yoshida | 1983-11-08 |