Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10378366 | Steam turbine rotor blade and method for manufacturing steam turbine rotor blade | Shinji OIKAWA, Hiroyuki Doi, Hideo Yoda | 2019-08-13 |
| 9873930 | Precipitation hardening martensitic stainless steel and steam turbine component made thereof | Shinji OIKAWA, Hideo Yoda, Hiroyuki Doi | 2018-01-23 |
| 9784110 | Steam turbine rotor | Kunio Asai, Kenichi Murata | 2017-10-10 |
| 9388702 | Precipitation hardening martensitic stainless steel, and steam turbine long blade, steam turbine, and power plant using the same | Shinji OIKAWA, Hideo Yoda, Hiroyuki Doi | 2016-07-12 |
| 9200524 | Steam turbine rotor | Hiroyuki Doi, Shinji OIKAWA, Kenichi Murata | 2015-12-01 |
| 9062362 | Precipitate hardening stainless steel and long blade using same for steam turbine | Shinji OIKAWA, Hideo Yoda, Hiroyuki Doi | 2015-06-23 |
| 8747733 | Precipitation hardenable martensitic stainless steel and steam turbine blade using the same | Shinji OIKAWA, Hideo Yoda, Hiroyuki Doi | 2014-06-10 |
| 8596982 | Turbine rotor | Eiji Nishioka, Hiroyuki Doi | 2013-12-03 |
| 8485788 | Rotor for steam turbine and method of manufacturing the same | Hideyuki Arikawa, Akira Mebata, Yoshitaka Kojima, Haijime Toriya | 2013-07-16 |
| 8225672 | Method for assessing remaining lifespan of bolt used at high temperatures | Shinichi Kobayasji, Hiroyuki Doi, Hiroaki Chiba, Takashi Haneishi | 2012-07-24 |
| 8025746 | Turbine casing | Hirotsugu Kawanaka, Tateki Nakamura | 2011-09-27 |
| 7632066 | Pipe for steam turbine, manufacturing process of same, main stream pipe and reheat pipe for steam turbine, and steam turbine power plant using those pipes | Hirotsugu Kawanaka, Hiroyuki Doi, Kenichi Murata, Hajime Toriya | 2009-12-15 |
| 7540711 | Heat resisting steel, steam turbine rotor shaft using the steel, steam turbine, and steam turbine power plant | Hirotsugu Kawanaka, Kennichi Murata, Hideo Yoda | 2009-06-02 |
| 6664479 | Flexible printed circuit board | Nobuo Tanabe, Kenichi Okada, Yukihiko Kurosawa, Takayuki Imai, Sadamitsu Jumonji +1 more | 2003-12-16 |
| 6575700 | Steam turbine blade, and steam turbine and steam turbine power plant using the same | Shigeyoshi Nakamura, Takeshi Onoda, Masao Shiga | 2003-06-10 |
| 6419453 | Steam turbine rotor shaft | Yutaka Fukui, Hiroyuki Doi, Ryo Hiraga, Kenichiro Nomura, Toshio Fujita +1 more | 2002-07-16 |
| 6398504 | Steam turbine blade, and steam turbine and steam turbine power plant using the same | Shigeyoshi Nakamura, Takeshi Onoda, Masao Shiga | 2002-06-04 |
| 5987088 | Precipitation hardening type single crystal austenitic steel, and usage the same | Yasuhisa Aono, Akira Yoshinari, Yasuo Kondo, Junya Kaneda, Hideyo Kodama +2 more | 1999-11-16 |
| 5779822 | Precipitation hardening type single crystal austenitic steel | Yasuhisa Aono, Akira Yoshinari, Yasuo Kondo, Junya Kaneda, Hideyo Kodama +2 more | 1998-07-14 |
| 4905191 | Microcomputer with built-in EPROM and test mode | — | 1990-02-27 |