Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10876183 | High-strength seamless stainless steel pipe and method of manufacturing high-strength seamless stainless steel pipe | Kenichiro Eguchi, Yasuhide Ishiguro, Takeshi Suzuki, Hiroki Ota | 2020-12-29 |
| 10640856 | High-strength seamless steel pipe for oil country tubular goods and method of producing the same | Masao Yuga, Yasuhide Ishiguro, Mitsuhiro Okatsu | 2020-05-05 |