Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7143481 | Fixing ring for flexible pipe to manhole joint | Tomomasa Komai, Wataru Shiota | 2006-12-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7143481 | Fixing ring for flexible pipe to manhole joint | Tomomasa Komai, Wataru Shiota | 2006-12-05 |