Issued Patents All Time
Showing 1–25 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9291295 | Segment for a rehabilitation pipe, and pipe rehabilitation method | Takao Kamiyama, Kenji Fujii, Makoto Ishida | 2016-03-22 |
| 9200742 | Lateral pipe-lining method | Takao Kamiyama, Kenji Fujii, Fuminori Tanaka | 2015-12-01 |
| 9194528 | Pipe rehabilitation method | Takao Kamiyama, Kenji Fujii, Makoto Ishida, Takeshi Hasegawa | 2015-11-24 |
| 9068686 | Rehabilitation pipe and pipe rehabilitation method | Takao Kamiyama, Kenji Fujii, Makoto Ishida | 2015-06-30 |
| 9052052 | Segment for a rehabilitation pipe, and pipe rehabilitation method | Takao Kamiyama, Kenji Fujii, Makoto Ishida | 2015-06-09 |
| 8715442 | Lateral pipe lining material and lateral pipe lining method | Takao Kamiyama, Kenji Fujii, Fuminori Tanaka | 2014-05-06 |
| 8635753 | Lateral pipe lining method and lateral pipe lining apparatus | Takao Kamiyama, Kenji Fujii, Fuminori Tanaka | 2014-01-28 |
| 8568060 | Rehabilitating pipe segment and existing pipe rehabilitation method using same | Takao Kamiyama, Kenji Fujii, Katsuyori Miura | 2013-10-29 |
| 8360684 | Method for linking segments and linking tool | Takao Kamiyama, Kenji Fujii, Katsuyori Miura | 2013-01-29 |
| 8360108 | Method for rehabilitating existing pipes, and rehabilitation pipe segment used in the rehabilitating method | Takao Kamiyama, Kenji Fujii | 2013-01-29 |
| 8240339 | Existing pipe rehabilitation method | Takao Kamiyama, Kenji Fujii, Katsuyori Miura | 2012-08-14 |
| 8025461 | Lining material and pipeline lining method | Takao Kamiyama, Kenji Fujii, Fuminori Tanaka | 2011-09-27 |
| 7955026 | Method for rehabilitating a manhole | Takao Kamiyama, Kenji Fujii, Katsuyori Miura | 2011-06-07 |
| 7819435 | Rehabilitating pipe for repairing existing pipe and method for repairing existing pipe | Takao Kamiyama, Kenji Fujii, Makoto Ishida, Yoichi Nakamura | 2010-10-26 |
| 7803245 | Pipeline lining method | Takao Kamiyama, Kenji Fujii | 2010-09-28 |
| 7713374 | Pipeline lining method | Takao Kamiyama, Kenji Fujii, Katsuyori Miura | 2010-05-11 |
| 7686054 | Apparatus for everting a lining material | Takao Kamiyama, Kenji Fujii, Ryoichi Goto | 2010-03-30 |
| 7510357 | Boring device | Takao Kamiyama, Kenji Fujii | 2009-03-31 |
| 7506895 | Segment for a rehabilitating pipe | Takao Kamiyama, Kenji Fujii, Makoto Ishida | 2009-03-24 |
| 7503349 | Lateral pipe lining material and lateral pipe lining method using same | Takao Kamiyama, Kenji Fujii | 2009-03-17 |
| 7481246 | Lateral pipe lining material and lateral pipe lining method | Takao Kamiyama, Kenji Fujii | 2009-01-27 |
| 7451783 | Position adjusting spacer and method for adjusting the position of a rehabilitating pipe using such | Takao Kamiyama | 2008-11-18 |
| 7402030 | Apparatus for everting a lining material | Takao Kamiyama, Kenji Fujii, Ryoichi Goto | 2008-07-22 |
| 7398797 | Pipe lining method | Takao Kamiyama, Kenji Fujii | 2008-07-15 |
| 7341280 | Rehabilitating pipe and method for laying a rehabilitating pipe | Takao Kamiyama, Kenji Fujii, Takeshi Hasegawa, Makoto Ishida | 2008-03-11 |