Issued Patents 2025
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12305266 | High-strength steel plate having excellent formability, toughness and weldability, and production method of same | Hiroyuki Kawata, Eisaku Sakurada, Takafumi Yokoyama | 2025-05-20 |
| 12247263 | Steel sheet and method for producing same | Hiroyuki Kawata | 2025-03-11 |