Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11001905 | Steel plate for structural pipes or tubes, method of producing steel plate for structural pipes or tubes, and structural pipes and tubes | Shusaku Ota, Yoshiaki Ota, Nobuyuki Ishikawa | 2021-05-11 |
| 10544478 | High-strength, high-toughness steel plate, and method for producing the same | Hideyuki Kimura, Shusaku Ota, Nobuyuki Ishikawa, Ryo Nagao | 2020-01-28 |
| 9896748 | Low yield ratio dual phase steel linepipe with superior strain aging resistance | Jayoung Koo, Narasimha-Rao Venkata Bangaru, Hyun-Woo Jin, Adnan Ozekcin, Raghavan Ayer +7 more | 2018-02-20 |
| 8801874 | Steel plate and steel pipe for line pipes | Nobuyuki Ishikawa, Makoto Suzuki, Tomohiro Matsushima, Akiyoshi Tsuji, Nobuo Shikanai +1 more | 2014-08-12 |