Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9995669 | Round bar tensile test specimen for sulfide stress corrosion cracking test of a steel, test method for sulfide stress corrosion cracking of steel, and seamless steel pipe having excellent resistance to sulfide stress corrosion cracking | Yasuhide Ishiguro, Kazuki Fujimura, Mitsuhiro Okatsu, Yoshiyuki Sugano | 2018-06-12 |
| 9945015 | High-tensile steel plate giving welding heat-affected zone with excellent low-temperature toughness, and process for producing same | Shigeki Kitsuya, Kenji Hayashi, Minoru Suwa | 2018-04-17 |