Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6051977 | Method and apparatus for locating coating faults on buried pipelines | Toshio Osada, Shinji Gotoh | 2000-04-18 |
| 5676491 | Buried pipe laying method | Tomoya Fujimoto, Isamu Miyoshi, Akira Adachi | 1997-10-14 |
| 4506531 | Control method and apparatus for screwing down reeling rolls | Kazuyuki Sakurada, Yutaka Funyu, Fusao Togashi, Toyoji Kanno | 1985-03-26 |