Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8848857 | Preventive maintenance/repair device and preventive mainenance/repair method for cylindrical structure | Mitsuaki Shimamura, Hisashi Hozumi, Yasuhiro Yuguchi | 2014-09-30 |
| 8607401 | Cleaning apparatus | Hisashi Hozumi, Mitsuaki Shimamura, Naruhiko Mukai, Shinji Toki, Yasuhiro Yuguchi +1 more | 2013-12-17 |
| 8445810 | Laser welding apparatus | Hisashi Hozumi, Kenji Matsuzaki, Mitsuaki Shimamura, Satoshi Okada, Wataru Kono +1 more | 2013-05-21 |
| 8157922 | Apparatus and method for processing inside of pipe | Mitsuaki Shimamura, Takeshi Maehara, Yasuhiro Yuguchi | 2012-04-17 |
| 6990714 | Modular submersible repairing system and repairing method | Katsuhiko Sato, Motohiko Kimura, Hiroaki Igakura, 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, Motohiko Kimura, Yuji Sano, Mitsuaki Shimamura, Hiroaki Igakura +8 more | 2005-04-19 |
| 6715201 | Modular submersible repairing system | Katsuhiko Sato, Motohiko Kimura, Hiroaki Igakura, Takuya Uehara, Yasuhiro Yuguchi +4 more | 2004-04-06 |