Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12227814 | Steel material for line pipes, method for producing the same, line pipe, and method for producing the line pipe | Junji Shimamura, Ryuji Muraoka | 2025-02-18 |
| 12037666 | Steel material for line pipes, method for producing the same, and method for producing line pipe | Tomoyuki Yokota, Akihiko Tanizawa, Ryuji Muraoka, Kazukuni Hase | 2024-07-16 |
| 11401568 | Steel material for line pipes, method for producing the same, and method for producing line pipe | Tomoyuki Yokota, Akihiko Tanizawa, Ryuji Muraoka, Kazukuni Hase | 2022-08-02 |
| 10788461 | Method and apparatus for measuring hydrogen-induced cracking | Daisuke Mizuno, Nobuyuki Ishikawa, Yutaka Matsui, Koji Fujimoto, Shigeaki Sugimoto | 2020-09-29 |
| 10640841 | High-strength, high-toughness steel plate and method for producing the same | Hideyuki Kimura, Nobuyuki Ishikawa | 2020-05-05 |
| 10465261 | Steel material for highly deformable line pipes having superior strain aging resistance and superior HIC resistance, method for manufacturing same, and welded steel pipe | Daisuke Mizuno, Haruo Nakamichi, Nobuyuki Ishikawa | 2019-11-05 |
| 10344362 | Steel material for highly deformable line pipes having superior strain aging resistance and superior HIC resistance, method for manufacturing same, and welded steel pipe | Daisuke Mizuno, Haruo Nakamichi, Nobuyuki Ishikawa | 2019-07-09 |