Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10975450 | Low alloy high strength thick-walled seamless steel pipe for oil country tubular goods | Mitsuhiro Okatsu, Masao Yuga, Kenichiro Eguchi | 2021-04-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10975450 | Low alloy high strength thick-walled seamless steel pipe for oil country tubular goods | Mitsuhiro Okatsu, Masao Yuga, Kenichiro Eguchi | 2021-04-13 |