Issued Patents 2019
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10240226 | Steel plate for thick-walled steel pipe, method for manufacturing the same, and thick-walled high-strength steel pipe | Junji Shimamura, Nobuyuki Ishikawa, Shigeru Endo, Seishi Tsuyama | 2019-03-26 |