Issued Patents 2018
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9909198 | Method for producing a low alloy steel for oil country tubular goods having excellent sulfide stress cracking resistance | Tomohiko Omura, Yuji Arai, Kaori Kawano, Akihiro Sakamoto, Kenji Yamamoto +1 more | 2018-03-06 |