Issued Patents All Time
Showing 1–25 of 89 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11821566 | Pipe robot | Michihito TAKASHIMA, Kazuaki Ogura, Hiroyuki Makuuchi | 2023-11-21 |
| 11319975 | Pipe connection tool and pipe connection method | Makoto Ishida | 2022-05-03 |
| 11226060 | Pipe rehabilitation method | — | 2022-01-18 |
| 10661464 | Drilling apparatus and drilling method | Takashi Kato | 2020-05-26 |
| 10190721 | Position adjusting spacer and method for adjusting the position of a rehabilitation pipe using such | — | 2019-01-29 |
| 9890892 | Method for rehabilitating a pipe | Takeshi Hasegawa, Makoto Ishida | 2018-02-13 |
| 9797539 | Pipe rehabilitation method | — | 2017-10-24 |
| 9746121 | Spacer for positioning a rehabilitating pipe | Makoto Ishida, Takeshi Hasegawa, Katsuyori Miura, Takashi Okubo | 2017-08-29 |
| 9518692 | Pipe rehabilitation method | Makoto Ishida, Takeshi Hasegawa | 2016-12-13 |
| 9291295 | Segment for a rehabilitation pipe, and pipe rehabilitation method | Koji Kaneta, Kenji Fujii, Makoto Ishida | 2016-03-22 |
| 9200742 | Lateral pipe-lining method | Koji Kaneta, Kenji Fujii, Fuminori Tanaka | 2015-12-01 |
| 9194528 | Pipe rehabilitation method | Koji Kaneta, Kenji Fujii, Makoto Ishida, Takeshi Hasegawa | 2015-11-24 |
| 9068686 | Rehabilitation pipe and pipe rehabilitation method | Koji Kaneta, Kenji Fujii, Makoto Ishida | 2015-06-30 |
| 9052052 | Segment for a rehabilitation pipe, and pipe rehabilitation method | Koji Kaneta, Kenji Fujii, Makoto Ishida | 2015-06-09 |
| 8715442 | Lateral pipe lining material and lateral pipe lining method | Koji Kaneta, Kenji Fujii, Fuminori Tanaka | 2014-05-06 |
| 8635753 | Lateral pipe lining method and lateral pipe lining apparatus | Koji Kaneta, Kenji Fujii, Fuminori Tanaka | 2014-01-28 |
| 8568060 | Rehabilitating pipe segment and existing pipe rehabilitation method using same | Koji Kaneta, Kenji Fujii, Katsuyori Miura | 2013-10-29 |
| 8360108 | Method for rehabilitating existing pipes, and rehabilitation pipe segment used in the rehabilitating method | Koji Kaneta, Kenji Fujii | 2013-01-29 |
| 8360684 | Method for linking segments and linking tool | Koji Kaneta, Kenji Fujii, Katsuyori Miura | 2013-01-29 |
| 8240339 | Existing pipe rehabilitation method | Koji Kaneta, Kenji Fujii, Katsuyori Miura | 2012-08-14 |
| 8240338 | Auxiliary tool for filling pipe with fluid, and fluid injection method for injecting fluid into pipe | Guochun Xu, Takashi Ookubo, Seiya Chiba | 2012-08-14 |
| 8202142 | Apparatus for cutting lateral wall of pipe | Takahiko Tsujisawa | 2012-06-19 |
| 8025461 | Lining material and pipeline lining method | Koji Kaneta, Kenji Fujii, Fuminori Tanaka | 2011-09-27 |
| 8007665 | Advanced wastewater treatment device having movable dividers | — | 2011-08-30 |
| 7955026 | Method for rehabilitating a manhole | Koji Kaneta, Kenji Fujii, Katsuyori Miura | 2011-06-07 |