Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10286501 | 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 |