Issued Patents 2016
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9523134 | Method for producing a high strength hot-rolled steel plate exhibiting excellent acid pickling property, chemical conversion processability, fatigue property, stretch flangeability, and resistance to surface deterioration during molding, and having isotropic strength and ductility | Hiroyuki Tanahashi, Shinya Saitoh, Masashi Fukuda, Hiroyuki Okada, Kunio Hayashi +1 more | 2016-12-20 |
| 9512499 | Method for manufacturing hot stamped body having vertical wall and hot stamped body having vertical wall | Kunio Hayashi, Toshimitsu Aso | 2016-12-06 |
| 9353424 | High strength steel sheet excellent in delayed fracture resistance and low temperature toughness, and high strength member manufactured using the same | Hiroyuki Tanahashi | 2016-05-31 |