Issued Patents 2022
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11486531 | Thermal-insulated multi-walled pipe for superconducting power transmission | Akio Sato, Shigeto Sakashita | 2022-11-01 |
| 11414719 | High strength stainless steel seamless pipe for oil country tubular goods | Kenichiro Eguchi | 2022-08-16 |
| 11306369 | High-strength stainless steel seamless pipe for oil country tubular goods, and method for producing same | Yuichi Kamo, Masao Yuga, Kenichiro Eguchi | 2022-04-19 |
| 11286548 | High-strength stainless steel seamless pipe for oil country tubular goods, and method for manufacturing same | Yuichi Kamo, Masao Yuga, Kenichiro Eguchi | 2022-03-29 |