Issued Patents All Time
Showing 26–50 of 75 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9698221 | Semiconductor device | Katsutoshi SUGAWARA, Yasuhiro Kagawa, Rina TANAKA | 2017-07-04 |
| 9425261 | Silicon-carbide semiconductor device and method for manufacturing the same | Yasuhiro Kagawa, Rina TANAKA, Yuji Abe, Masayuki Imaizumi | 2016-08-23 |
| 9337271 | Silicon-carbide semiconductor device and manufacturing method therefor | Yasuhiro Kagawa, Rina TANAKA, Yuji Abe, Masayuki Imaizumi | 2016-05-10 |
| 9266106 | Micro-channel chip | Yasuhisa Fujita, Haruo Takeshita, Junko Fujihara, Mari Tabuchi | 2016-02-23 |
| 7304509 | Impedance circuit, power supply device | — | 2007-12-04 |
| 6574966 | Gas turbine for power generation | Kishio Hidaka, Shigeyoshi Nakamura, Masao Shiga, Ryo Hiraga, Hajime Toriya +1 more | 2003-06-10 |
| 6546713 | Gas turbine for power generation, and combined power generation system | Kishio Hidaka, Shigeyoshi Nakamura, Masao Shiga, Ryo Hiraga, Hajime Toriya +1 more | 2003-04-15 |
| 6419453 | Steam turbine rotor shaft | Hiroyuki Doi, Masahiko Arai, Ryo Hiraga, Kenichiro Nomura, Toshio Fujita +1 more | 2002-07-16 |
| 6358004 | Steam turbine power-generation plant and steam turbine | Masao Shiga, Takeshi Onoda, Shigeyoshi Nakamura | 2002-03-19 |
| 6305078 | Method of making a turbine blade | Masao Shiga, Takeshi Onoda, Shigeyoshi Nakamura | 2001-10-23 |
| 6224334 | Steam turbine, rotor shaft thereof, and heat resisting steel | Masao Siga, Mitsuo Kuriyama, Yoshimi Maeno, Masateru Suwa, Ryoichi Kaneko +5 more | 2001-05-01 |
| 6174132 | Steam-turbine power plant and steam turbine | Masao Shiga, Ryo Hiraga, Takeshi Onoda, Nobuo Shimizu, Norio Yamada +4 more | 2001-01-16 |
| 6129514 | Steam turbine power-generation plant and steam turbine | Masao Shiga, Takeshi Onoda, Shigeyoshi Nakamura | 2000-10-10 |
| 6123504 | Steam-turbine power plant and steam turbine | Masao Shiga, Ryo Hiraga, Takeshi Onoda, Nobuo Shimizu, Norio Yamada +4 more | 2000-09-26 |
| 6092989 | Compressor for turbine and gas turbine | Masao Siga, Hajime Toriya | 2000-07-25 |
| 5964091 | Gas turbine combustor and gas turbine | Tetsuo Kashimura, Hideyo Kodama, Hiroyuki Doi, Ryo Hiraga | 1999-10-12 |
| 5961284 | High strength heat resisting cast steel, steam turbine casing, steam turbine power plant and steam turbine | Mitsuo Kuriyama, Masao Shiga, Kishio Hidaka, Shigeyoshi Nakamura, Ryo Hiraga +2 more | 1999-10-05 |
| 5911842 | Heat resisting steel and steam turbine rotor shaft and method of making thereof | Masao Shiga, Kishio Hidaka, Norio Yamada, Shigeyoshi Nakamura, Nobuo Shimizu +6 more | 1999-06-15 |
| 5906096 | Compressor for turbine and gas turbine | Masao Siga, Hajime Toriya | 1999-05-25 |
| 5749228 | Steam-turbine power plant and steam turbine | Masao Shiga, Ryo Hiraga, Takeshi Onoda, Nobuo Shimizu, Norio Yamada +4 more | 1998-05-12 |
| 5740668 | High efficiency gas turbine | Tetsuo Fujiwara, Masateru Suwa, Hideki Tamaki | 1998-04-21 |
| 5651411 | Apparatus for and method of continuous casting | Satoshi Hirano, Hideyo Kodama, Toshiyuki Kajiwara, Yasutsugu Yoshimura, Tomoaki Kimura +2 more | 1997-07-29 |
| 5634510 | Integrated manufacturing system | Satoshi Hirano, Hideyo Kodama, Toshiyuki Kajiwara, Yasutsugu Yoshimura, Tomoaki Kimura +2 more | 1997-06-03 |
| 5624235 | Steam turbine, rotor shaft thereof, and heat resisting steel | Masao Siga, Mitsuo Kuriyama, Yoshimi Maeno, Masateru Suwa, Ryoichi Kaneko +5 more | 1997-04-29 |
| 5569338 | Steam turbine rotor shaft thereof and heat resisting steel | Masao Siga, Mitsuo Kuriyama, Yoshimi Maeno, Masateru Suwa, Ryoichi Kaneko +5 more | 1996-10-29 |