Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9737962 | Pipeline and manufacturing method thereof | Yukinobu Nagata, Eiji Tsuru | 2017-08-22 |
| 9726305 | Electric resistance welded steel pipe | Kensuke Nagai, Masakazu Ozaki | 2017-08-08 |