Issued Patents All Time
Showing 1–25 of 46 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10626475 | Heat treatment apparatus, heat treatment method for steel workpiece, and hot bending method for steel workpiece | Akihiro Sakamoto, Hiroaki Kubota | 2020-04-21 |
| 10370735 | Heat treated steel product having high strength and excellent chemical conversion coating ability and method of production of same | Hideki Matsuda, Koji Akioka | 2019-08-06 |
| 10071774 | Joining structure for member in vehicle body | Michitaka Yoshida, Atsushi Tomizawa | 2018-09-11 |
| 9090979 | Method and apparatus for manufacturing perchlorate | Junichi Okuyama, Kumiko Yoshihisa, Yasunori Hamano, Takahiro Matsuo, Nobuhiko Kubota +1 more | 2015-07-28 |
| 8535489 | Method for manufacturing ozone ice and apparatus for manufacturing ozone ice | Junichi Okuyama, Yasunori Hamano, Takahiro Matsuo, Yuka Yoshida, Hajime Kuwabara +2 more | 2013-09-17 |
| 7114915 | Gas turbine and turbine rotor for a gas turbine | Kazuharu Hirokawa | 2006-10-03 |
| 6991429 | Sealing structure of spindle bolt, and gas turbine | Kazuharu Hirokawa | 2006-01-31 |
| 6966171 | Combined cycle gas turbine system | Yoshinori Hyakutake, Hideaki Sugishita | 2005-11-22 |
| 6799948 | Blade of a gas turbine | Eisaku Ito | 2004-10-05 |
| 6779973 | Gas turbine | Eisaku Ito | 2004-08-24 |
| 6769867 | Joint structure of coolant passage, tube seal, and gas turbine | Takeaki Ohya | 2004-08-03 |
| 6688847 | Shaft structure and bearing structure for tail end of rotor of gas turbine | Takeaki Oya, Kazuharu Hirokawa, Tadateru Tanioka, Tanehiro Shinohara, Katsunori Tanaka | 2004-02-10 |
| 6679047 | Combined cycle gas turbine system | Yoshinori Hyakutake, Hideaki Sugishita | 2004-01-20 |
| 6668538 | Steam cooled gas turbine system with regenerative heat exchange | Hideaki Sugishita, Sunao Aoki, Keizo Tsukagoshi | 2003-12-30 |
| 6536205 | Combined cycle power plant | Hideaki Sugishita, Hidetaka Mori, Ichiro Fukue | 2003-03-25 |
| 6530208 | Steam cooled gas turbine system with regenerative heat exchange | Hideaki Sugishita, Sunao Aoki, Keizo Tsukagoshi | 2003-03-11 |
| 6524061 | Arrangement for sealing a steam-cooled gas turbine | Kazuharu Hirokawa, Katsunori Tanaka | 2003-02-25 |
| 6442927 | Gas turbine for combined cycle power plant | Masaaki Matsuura, Kiyoshi Suenaga | 2002-09-03 |
| 6438939 | Combined cycle power plant and cooling steam supply method for gas turbine therein | Kazuharu Hirokawa, Hidetaka Mori, Hideaki Sugishita | 2002-08-27 |
| 6430916 | Combined cycle power plant | Hideaki Sugishita, Hidetaka Mori, Ichiro Fukue | 2002-08-13 |
| 6389797 | Gas turbine combined cycle system | Hideaki Sugishita, Hidetaka Mori, Hideo Matsuda | 2002-05-21 |
| 6367242 | Recovery type steam cooled gas turbine | Katsunori Tanaka, Kazuharu Hirokawa | 2002-04-09 |
| 6315518 | Stationary blade of gas turbine | Kiyoshi Suenaga | 2001-11-13 |
| 6282883 | Hydrogen burning turbine plant | Takashi Sonoda | 2001-09-04 |
| 6260348 | Combined cycle power plant with fuel reformer | Hideaki Sugishita, Hidetaka Mori, Ichiro Fukue | 2001-07-17 |