Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12286683 | High-strength steel sheet having excellent delayed fracture resistance | Kosuke SHIBATA, Junichiro Kinugasa, Keisuke Nakata | 2025-04-29 |
| 10526687 | Ultra-high-strength steel sheet having excellent delayed fracture resistance at cut end thereof | Kosuke SHIBATA, Toshiya Nakata, Toshio Murakami, Takahiro Ozawa, Fumio Yuse +2 more | 2020-01-07 |
| 10030291 | High-strength steel sheet excellent in seam weldability | Yukihiro Utsumi | 2018-07-24 |
| 8449988 | High-strength cold-rolled steel sheet excellent in bending workability | Sae HAMAMOTO, Yukihiro Utsumi, Tetsuji Hoshika, Yuichi Futamura | 2013-05-28 |