Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12220765 | Butt welded joint of steel material and method for manufacturing same | Hiroyuki Okuhira, Rikiya Ishikawa | 2025-02-11 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12220765 | Butt welded joint of steel material and method for manufacturing same | Hiroyuki Okuhira, Rikiya Ishikawa | 2025-02-11 |