Issued Patents 2019
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10407758 | Steel for oil country tubular goods and method of producing the same | Yuji Arai, Kaori Kawano, Akihiro Sakamoto, Kazuo Okamura, Kenji Yamamoto +3 more | 2019-09-10 |
| 10316383 | Austenitic stainless steel and method for producing the same | Etsuo Dan, Masaaki Terunuma, Takahiro Osuki, Jun Nakamura | 2019-06-11 |
| 10266909 | High-strength austenitic stainless steel for high-pressure hydrogen gas | Jun Nakamura, Hirokazu Okada, Hiroyuki Semba, Yusaku Tomio, Hiroyuki Hirata +3 more | 2019-04-23 |
| 10260125 | High-strength austenitic stainless steel for high-pressure hydrogen gas | Jun Nakamura, Hirokazu Okada, Hiroyuki Semba, Yusaku Tomio, Hiroyuki Hirata +3 more | 2019-04-16 |
| 10246765 | Martensitic Cr-containing steel and oil country tubular goods | Yusaku Tomio, Hideki Takabe, Toshio Mochizuki | 2019-04-02 |