Issued Patents 2020
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10815553 | Galvannealed steel sheet and production method thereof | Masaharu Oka, Tetsuya Okada | 2020-10-27 |
| 10718033 | Heat-treated steel material and method of manufacturing the same | Shinichiro TABATA, Kazuo Hikida | 2020-07-21 |
| 10662494 | Heat-treated steel material and method of manufacturing the same | Shinichiro TABATA, Kazuo Hikida | 2020-05-26 |
| 10603703 | Method of manufacturing press-formed product, and press-formed product | Eiji Isogai, Riki Okamoto, Yutaka MIKAZUKI | 2020-03-31 |