Issued Patents 2016
Showing 1–7 of 7 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 |
| 9512508 | High-strength cold-rolled steel sheet having excellent stretch flangeability and precision punchability and manufacturing method thereof | Hiroshi Shuto, Tatsuo Yokoi, Riki Okamoto, Kazuaki Nakano, Shinichiro Watanabe | 2016-12-06 |
| 9458520 | Manufacturing method of a high-strength cold-rolled steel sheet having excellent uniform elongation and hole expandability | Yuri Toda, Riki Okamoto, Kohichi Sano, Hiroshi Yoshida, Toshio Ogawa | 2016-10-04 |
| 9453269 | Hot-rolled steel sheet for gas nitrocarburizing and manufacturing method thereof | Tatsuo Yokoi, Hiroshi Shuto, Riki Okamoto, Kazuaki Nakano, Takeshi Yamamoto | 2016-09-27 |
| 9347122 | Manufacturing method of a high-strength cold-rolled steel sheet having excellent local deformability | Yoshihiro Suwa, Kazuaki Nakano, Kunio Hayashi, Riki Okamoto, Kohichi Sano | 2016-05-24 |
| 9273370 | Hot-rolled steel sheet, cold-rolled steel sheet, galvanized steel sheet, and methods of manufacturing the same | Kunio Hayashi, Riki Okamoto, Manabu Takahashi, Tetsuo Kishimoto, Hiroshi Yoshida | 2016-03-01 |
| 9267196 | Method of producing a hot rolled steel sheet | Riki Okamoto, Manabu Takahashi, Kunio Hayashi, Tetsuo Kishimoto, Kazuaki Nakano +1 more | 2016-02-23 |