Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8651597 | Retracting device and retracting main body used for the same | — | 2014-02-18 |
| 8579092 | Damper unit | — | 2013-11-12 |
| 7760841 | Method and apparatus for executing an operation in a pressure vessel of a nuclear reactor | Tomoyuki Ito, Mitsuaki Shimamura | 2010-07-20 |
| 7270021 | Apparatus and method for mounting and moving a working apparatus on a structure for the performance of works on the structure | Mitsuaki Shimamura, Tomoyuki Ito, Yasuhiro Yuguchi, Toru Taguchi | 2007-09-18 |
| 6990714 | Modular submersible repairing system and repairing method | Katsuhiko Sato, Hiroaki Igakura, Yutaka Togasawa, Takuya Uehara, Yasuhiro Yuguchi +4 more | 2006-01-31 |
| 6881925 | Laser emission head, laser beam transmission device, laser beam transmission device adjustment method and preventive maintenance/repair device of structure in nuclear reactor | Katsuhiko Sato, Yuji Sano, Mitsuaki Shimamura, Hiroaki Igakura, Makoto Ochiai +8 more | 2005-04-19 |
| 6715201 | Modular submersible repairing system | Katsuhiko Sato, Hiroaki Igakura, Yutaka Togasawa, Takuya Uehara, Yasuhiro Yuguchi +4 more | 2004-04-06 |
| 6528754 | Underwater maintenance repair device and method | Satoshi Okada, Hiroaki Igakura, Tatsuki Ogisu, Yoshiaki Ono, Masaki Yoda | 2003-03-04 |
| 6244015 | Method of assembling plant | Arata Ito, Shuji Hirono, Shigeru Kyoda, Hitoshi Sato | 2001-06-12 |
| 6163012 | Laser maintaining and repairing apparatus | Akira Sudo, Katsuhiko Sato, Yuji Sano, Masaki Yoda, Naruhiko Mukai +2 more | 2000-12-19 |
| 4818175 | Expandable and contractible arms | — | 1989-04-04 |
| 4712969 | Expandable and contractable arms | — | 1987-12-15 |