Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9797024 | Hot-rolled steel sheet for gas nitrocarburizing and manufacturing method thereof | Tatsuo Yokoi, Riki Okamoto, Nobuhiro Fujita, Kazuaki Nakano, Takeshi Yamamoto | 2017-10-24 |
| 9752217 | Hot-rolled steel sheet and method of producing the same | Tatsuo Yokoi, Riki Okamoto, Nobuhiro Fujita, Kazuaki Nakano, Takeshi Yamamoto | 2017-09-05 |
| 9587287 | Bainite-containing-type high-strength hot-rolled steel sheet having excellent isotropic workability and manufacturing method thereof | Tatsuo Yokoi, Riki Okamoto, Nobuhiro Fujita, Kazuaki Nakano, Takeshi Yamamoto | 2017-03-07 |