Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10077612 | Screw joint for steel pipe | Yousuke Oku, Masaaki Sugino, Russell Elder | 2018-09-18 |
| 9957631 | Electroplating apparatus for steel pipes | Masanari Kimoto, Kazuya Ishii, Masahiro Oshima | 2018-05-01 |