Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6428631 | High-strength steel sheet having excellent formality and resistance to softening of the heat affected zone after welding | Toshimasa Tomokiyo, Ryo Maruta | 2002-08-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6428631 | High-strength steel sheet having excellent formality and resistance to softening of the heat affected zone after welding | Toshimasa Tomokiyo, Ryo Maruta | 2002-08-06 |