Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8848857 | Preventive maintenance/repair device and preventive mainenance/repair method for cylindrical structure | Yutaka Togasawa, Hisashi Hozumi, Yasuhiro Yuguchi | 2014-09-30 |
| 8607401 | Cleaning apparatus | Hisashi Hozumi, Yutaka Togasawa, Naruhiko Mukai, Shinji Toki, Yasuhiro Yuguchi +1 more | 2013-12-17 |
| 8497986 | Laser-based maintenance apparatus using ultrasonic wave detection for flaw analysis and repair | Makoto Ochiai, Takahiro Miura, Hidehiko Kuroda, Fukashi Osakata, Kentaro Tsuchihashi +1 more | 2013-07-30 |
| 8445810 | Laser welding apparatus | Hisashi Hozumi, Yutaka Togasawa, Kenji Matsuzaki, Satoshi Okada, Wataru Kono +1 more | 2013-05-21 |
| 8325872 | Working device and working method | Takeshi Maehara, Ikuko Kameyama, Hiroyuki Adachi, Yasuhiro Yuguchi, Toru Taguchi | 2012-12-04 |
| 8157922 | Apparatus and method for processing inside of pipe | Yutaka Togasawa, Takeshi Maehara, Yasuhiro Yuguchi | 2012-04-17 |
| 7760841 | Method and apparatus for executing an operation in a pressure vessel of a nuclear reactor | Tomoyuki Ito, Motohiko Kimura | 2010-07-20 |
| 7728967 | Laser-based maintenance apparatus | Makoto Ochiai, Yoshiaki Ono, Takahiro Miura, Masaki Yoda, Hidehiko Kuroda +5 more | 2010-06-01 |
| 7720190 | Working device and working method | Takeshi Maehara, Ikuko Kameyama, Hiroyuki Adachi, Yasuhiro Yuguchi, Toru Taguchi | 2010-05-18 |
| 7303360 | Underwater inspecting and repairing system | Tetsuro Nakagawa, Yasuhiro Yuguchi, Koichi Soma, Hiroshi Iimori | 2007-12-04 |
| 7270021 | Apparatus and method for mounting and moving a working apparatus on a structure for the performance of works on the structure | Motohiko Kimura, Tomoyuki Ito, Yasuhiro Yuguchi, Toru Taguchi | 2007-09-18 |
| 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, Motohiko Kimura, Yuji Sano, Hiroaki Igakura, Makoto Ochiai +8 more | 2005-04-19 |
| 5838752 | Apparatus and method for carrying out workings at reactor bottom | — | 1998-11-17 |