Issued Patents 2019
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10513761 | High-strength steel material for oil well and oil country tubular goods | Kenji Kobayashi | 2019-12-24 |
| 10378079 | Stainless steel and stainless steel product for oil well | Hiroshi KAIDO | 2019-08-13 |
| 10266909 | High-strength austenitic stainless steel for high-pressure hydrogen gas | Tomohiko Omura, Jun Nakamura, Hirokazu Okada, Hiroyuki Semba, Hiroyuki Hirata +3 more | 2019-04-23 |
| 10260125 | High-strength austenitic stainless steel for high-pressure hydrogen gas | Tomohiko Omura, Jun Nakamura, Hirokazu Okada, Hiroyuki Semba, Hiroyuki Hirata +3 more | 2019-04-16 |
| 10246765 | Martensitic Cr-containing steel and oil country tubular goods | Tomohiko Omura, Hideki Takabe, Toshio Mochizuki | 2019-04-02 |