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Laser welding apparatus, preventive maintenance method for reactor internal of nuclear power plant, and laser cutting apparatus |
Shinya Ohmori, Ren Morinaka, Kazuhiro Nitta, Yoichi Mahara, Keigo Uchiyama |
2019-05-14 |
| 9208908 |
Method of repairing shroud support and repair apparatus thereof |
Shinya Ohmori, Masaaki Tanaka, Takanori Satoh |
2015-12-08 |
| 9177677 |
Underwater remote inspection device and method for underwater remote inspection |
Satoru Aoike, Shinya Ohmori, Junya Kaneda |
2015-11-03 |
| 8687758 |
Method for managing internal equipment in reactor pressure vessel and apparatus thereof |
Shinya Ohmori, Sadashi Ootomo |
2014-04-01 |
| 8647495 |
Electrolytically etching method and apparatus of surface of nuclear reactor core internals |
Satoru Aoike, Masaaki Tanaka, Shinobu Okido, Shinya Ohmori |
2014-02-11 |
| 8638897 |
Underwater remote surface inspection method and apparatus for reactor constituting member |
Satoru Aoike, Masaaki Tanaka |
2014-01-28 |
| 6240155 |
Preventive maintenance apparatus for structural members in a nuclear pressure vessel |
Eisaku Hayashi, Sadato Shimizu, Minoru Ootaka, Fujio Yoshikubo, Ren Morinaka +4 more |
2001-05-29 |
| 6058153 |
Preventive maintenance apparatus for structural members in a nuclear pressure vessel |
Eisaku Hayashi, Sadato Shimizu, Minoru Ootaka, Fujio Yoshikubo, Ren Morinaka +4 more |
2000-05-02 |
| 5749384 |
Method and apparatus for performing preventive maintenance on the bottom portion of a reactor pressure vessel using cavitation bubbles |
Eisaku Hayashi, Fujio Yoshikubo, Hideyasu Furukawa, Ren Morinaka, Kunio Enomoto +3 more |
1998-05-12 |
| 5553106 |
Residual stress improving method for members in reactor pressure vessel |
Kunio Enomoto, Masahiro Otaka, Kazuo Amano, Eisaku Hayashi, Ren Morinaka +2 more |
1996-09-03 |
| 5494539 |
Metal member quality improving method by spot welding |
Hiroshi Tsujimura, Yasumasa Tamai, Masayuki Kurihara, Seiichi Toyoda, Yutaka Watanabe |
1996-02-27 |
| 5329099 |
Method of maintaining housing of reactor pressure vessel and heat treatment equipment therefor |
Kunio Enomoto, Masahiro Otaka, Kunio Hasegawa, Makoto Hayashi, Shinji Sakata +4 more |
1994-07-12 |
| 5305361 |
Method of and apparatus for water-jet peening |
Kunio Enomoto, Masahiro Otaka, Hideyo Saito, Hiroshi Tsujimura, Yasumasa Tamai +2 more |
1994-04-19 |
| 5267279 |
Method and structure for repairing an elongated metal hollow member |
Hideyo Saito, Takayuki Numata, Shigeo Hattori, Takenori Shindo |
1993-11-30 |
| 5227124 |
Method and structure for preventive maintaining an elongated metal hollow member |
Hideyo Saito, Takayuki Numata, Shigeo Hattori, Takenori Shindo |
1993-07-13 |