Issued Patents 2018
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10151011 | High-strength stainless steel seamless tube or pipe for oil country tubular goods, and method of manufacturing the same | Kenichiro Eguchi | 2018-12-11 |
| 10151012 | High-strength stainless steel pipe | Kenichiro Eguchi, Takeshi Suzuki, Hideo Sato, Tetsu Nakahashi | 2018-12-11 |
| 10023930 | Method of manufacturing high strength stainless steel tube or pipe | Kenichiro Eguchi | 2018-07-17 |
| 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 | Masao Yuga, Kazuki Fujimura, Mitsuhiro Okatsu, Yoshiyuki Sugano | 2018-06-12 |
| 9932651 | Thick-walled high-strength seamless steel pipe with excellent sour resistance for pipe for pipeline, and process for producing same | Mitsuo Kimura, Kenichiro Eguchi, Hiroshi Yokogawa, Tadao Katagiri, Masahito Tanaka | 2018-04-03 |