Issued Patents 2024
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11905580 | Seamless steel pipe suitable for use in sour environment | Hiroki Kamitani, Nobuaki Komatsubara, Seiya OKADA, Yuji Arai, Shinji Yoshida | 2024-02-20 |
| 11898216 | Seamless steel pipe heat-treatment-finishing-treatment continuous facility | Hiroki Kamitani, Takanori Tanaka, Keiichi Kondo, Hideki MITSUNARI, Seiya OKADA +3 more | 2024-02-13 |
| 11891680 | Steel material suitable for use in sour environment | Yohei Otome, Hiroki Kamitani, Taro OE, Nobuaki Komatsubara, Yuji Arai +1 more | 2024-02-06 |