Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10350660 | Manufacturing method for interlocked tube and manufacturing device therefor | Ryouichi Fukabori | 2019-07-16 |
| 9945499 | Method and apparatus for manufacturing interlocking pipe | Ryouichi Fukabori | 2018-04-17 |