Issued Patents All Time
Showing 1–25 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12428694 | Hot-rolled steel sheet and method for manufacturing same | Tatsuo Yokoi, Teruki Hayashida, Mutsumi SAKAKIBARA, Jun ANDO, Shinsuke Kai | 2025-09-30 |
| 12392020 | Hot-rolled steel sheet | Kazumasa TSUTSUI, Koutarou Hayashi | 2025-08-19 |
| 12297524 | Hot-rolled steel sheet | Kazumasa TSUTSUI, Koutarou Hayashi, Akifumi SAKAKIBARA, Jun ANDO, Shota ENDO | 2025-05-13 |
| 12203157 | Hot-rolled steel sheet | Koutarou Hayashi, Kazumasa TSUTSUI, Hiroshi KAIDO | 2025-01-21 |
| 12180570 | Hot-rolled steel sheet | Genki Abukawa, Akifumi SAKAKIBARA, Jun ANDO, Tetsu Asato, Shota ENDO | 2024-12-31 |
| 12139772 | High strength steel sheet | Genki Abukawa | 2024-11-12 |
| 12123064 | Hot-rolled steel sheet | Koutarou Hayashi, Hiroshi KAIDO, Akifumi SAKAKIBARA, Jun ANDO, Tetsu Asato | 2024-10-22 |
| 12116646 | Hot-rolled steel sheet | Mutsumi SAKAKIBARA, Kazumasa TSUTSUI, Koutarou Hayashi | 2024-10-15 |
| 11970758 | Hot-rolled steel sheet | Akifumi SAKAKIBARA, Shinsuke Kai, Koutarou Hayashi, Hiroshi KAIDO | 2024-04-30 |
| 11492679 | Hot-rolled steel sheet and method for manufacturing same | Tatsuo Yokoi, Teruki Hayashida, Jun ANDO, Mutsumi SAKAKIBARA | 2022-11-08 |
| 11401571 | Hot-rolled steel sheet | Tatsuo Yokoi, Mitsuru Yoshida, Natsuko Sugiura, Masayuki Wakita | 2022-08-02 |
| 11255005 | Hot-rolled steel sheet | Daisuke Maeda, Kazuya Ootsuka, Akifumi SAKAKIBARA, Shinsuke Kai | 2022-02-22 |
| 11208702 | Hot-rolled steel sheet and manufacturing method thereof | Akifumi SAKAKIBARA, Tatsuo Yokoi, Yuuki Kanzawa, Masafumi Azuma | 2021-12-28 |
| 10913988 | Hot-rolled steel sheet | Natsuko Sugiura, Mitsuru Yoshida, Tatsuo Yokoi, Masayuki Wakita | 2021-02-09 |
| 10752972 | Hot-rolled steel sheet | Natsuko Sugiura, Mitsuru Yoshida, Tatsuo Yokoi, Masayuki Wakita | 2020-08-25 |
| 10689724 | Steel sheet with strain induced transformation type composite structure and method of manufacturing same | Tatsuo Yokoi, Yuuki Kanzawa, Natsuko Sugiura | 2020-06-23 |
| 10689737 | Hot-rolled steel sheet | Masayuki Wakita, Mitsuru Yoshida, Natsuko Sugiura, Tatsuo Yokoi | 2020-06-23 |
| 10364478 | 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 | 2019-07-30 |
| 10260124 | Hot-rolled steel sheet and manufacturing method thereof | Akifumi SAKAKIBARA, Tatsuo Yokoi, Yuuki Kanzawa, Masafumi Azuma | 2019-04-16 |
| 10226800 | Hot-rolled steel sheet | Tatsuo Yokoi, Daisuke Maeda, Eisaku Sakurada, Takeshi Toyoda | 2019-03-12 |
| 10196726 | High-strength hot-rolled steel sheet having excellent baking hardenability and low temperature toughness with maximum tensile strength of 980 MPa or more | Masafumi Azuma, Tatsuo Yokoi, Yuuki Kanzawa, Akihiro Uenishi | 2019-02-05 |
| 10087499 | Hot-rolled steel sheet and manufacturing method thereof | Tatsuo Yokoi, Yuuki Kanzawa, Nobuhiro Fujita, Ryohta Niiya, Shinya Saitoh | 2018-10-02 |
| 10023929 | Hot-rolled steel sheet | Masafumi Azuma, Akifumi SAKAKIBARA, Yuuki Kanzawa, Ken Kimura | 2018-07-17 |
| 9896737 | Hot-rolled steel sheet | Tatsuo Yokoi, Daisuke Maeda, Eisaku Sakurada, Takeshi Toyoda | 2018-02-20 |
| 9863026 | Dual phase steel sheet and manufacturing method thereof | Tatsuo Yokoi, Eisaku Sakurada, Hiroyuki Okada | 2018-01-09 |