Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10428409 | Hot-rolled steel sheet with excellent press formability and production method thereof | Daisuke Maeda, Kazuya Ootsuka | 2019-10-01 |
| 10384256 | Tooling for punching steel sheet and punching method | Yuzo Takahashi, Tatsuo Yokoi, Junji Haji, Satoshi Horioka | 2019-08-20 |
| 10273566 | Hot-rolled steel sheet and method for producing same | Daisuke Maeda, Junji Haji, Fuminori Tasaki | 2019-04-30 |