Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6574966 | Gas turbine for power generation | Kishio Hidaka, Shigeyoshi Nakamura, Yutaka Fukui, Ryo Hiraga, Hajime Toriya +1 more | 2003-06-10 |
| 6575700 | Steam turbine blade, and steam turbine and steam turbine power plant using the same | Masahiko Arai, Shigeyoshi Nakamura, Takeshi Onoda | 2003-06-10 |
| 6546713 | Gas turbine for power generation, and combined power generation system | Kishio Hidaka, Shigeyoshi Nakamura, Yutaka Fukui, Ryo Hiraga, Hajime Toriya +1 more | 2003-04-15 |
| 6398504 | Steam turbine blade, and steam turbine and steam turbine power plant using the same | Masahiko Arai, Shigeyoshi Nakamura, Takeshi Onoda | 2002-06-04 |
| 6358004 | Steam turbine power-generation plant and steam turbine | Takeshi Onoda, Shigeyoshi Nakamura, Yutaka Fukui | 2002-03-19 |
| 6305078 | Method of making a turbine blade | Takeshi Onoda, Shigeyoshi Nakamura, Yutaka Fukui | 2001-10-23 |
| 6174132 | Steam-turbine power plant and steam turbine | Ryo Hiraga, Takeshi Onoda, Nobuo Shimizu, Norio Yamada, Mitsuo Kuriyama +4 more | 2001-01-16 |
| 6129514 | Steam turbine power-generation plant and steam turbine | Takeshi Onoda, Shigeyoshi Nakamura, Yutaka Fukui | 2000-10-10 |
| 6123504 | Steam-turbine power plant and steam turbine | Ryo Hiraga, Takeshi Onoda, Nobuo Shimizu, Norio Yamada, Mitsuo Kuriyama +4 more | 2000-09-26 |
| 5961284 | High strength heat resisting cast steel, steam turbine casing, steam turbine power plant and steam turbine | Mitsuo Kuriyama, Kishio Hidaka, Shigeyoshi Nakamura, Yutaka Fukui, Ryo Hiraga +2 more | 1999-10-05 |
| 5911842 | Heat resisting steel and steam turbine rotor shaft and method of making thereof | Kishio Hidaka, Norio Yamada, Shigeyoshi Nakamura, Yutaka Fukui, Nobuo Shimizu +6 more | 1999-06-15 |
| 5749228 | Steam-turbine power plant and steam turbine | Ryo Hiraga, Takeshi Onoda, Nobuo Shimizu, Norio Yamada, Mitsuo Kuriyama +4 more | 1998-05-12 |
| 4581067 | High-strength austenitic steel | Katsumi Iijima, Norio Yamada, Seishin Kirihara, Masayuki Sukekawa, Takatoshi Yoshioka +1 more | 1986-04-08 |
| 4566810 | Steam turbine rotor shaft | Takatoshi Yoshioka, Seishin Kirihara, Katsumi Iijima, Katsukuni Hisano, Ryoichi Kaneko | 1986-01-28 |
| 4477280 | Heat resisting steel | Seishin Kirihara, Mitsuo Kuriyama, Takatoshi Yoshioka, Ryoichi Sasaki | 1984-10-16 |
| 4426162 | Rotor shaft | Keiichi Tsuchiya, Katsukuni Hisano, Toshimi Tan, Masahiro Kobayashi, Kei Kobayashi +3 more | 1984-01-17 |