Issued Patents 2021
Showing 1–1 of 1 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 |