Issued Patents All Time
Showing 1–25 of 55 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12421567 | High-strength hot-rolled steel sheet | Yukiko Kobayashi, Jun Takahashi, Tatsuo Yokoi, Takeshi Toyoda | 2025-09-23 |
| 11680303 | Steel sheet and manufacturing method therefor | Takafumi Yokoyama, Kohichi Sano, Hiroyuki Kawata, Kohei Ueda, Eisaku Sakurada | 2023-06-20 |
| 11591675 | Steel sheet and method for producing same | Kengo Takeda, Kazuo Hikida, Katsuya Nakano, Yuya Suzuki, Genki Abukawa | 2023-02-28 |
| 11519061 | Steel sheet | Hiroyuki Kawata, Masafumi Azuma, Akihiro Uenishi, Naoki Maruyama | 2022-12-06 |
| 11447848 | Steel sheet and manufacturing method of therefor | Takafumi Yokoyama, Kohichi Sano, Hiroyuki Kawata, Eisaku Sakurada, Yuji Yamaguchi +5 more | 2022-09-20 |
| 11434555 | Hot-rolled steel sheet | Takeshi Toyoda, Tetsuya Hirashima | 2022-09-06 |
| 11408045 | Steel sheet | Kengo Takeda, Kazuo Hikida, Katsuya Nakano, Yuya Suzuki, Genki Abukawa | 2022-08-09 |
| 11377710 | Steel sheet and manufacturing method therefor | Takafumi Yokoyama, Kohichi Sano, Hiroyuki Kawata, Eisaku Sakurada, Yuji Yamaguchi +5 more | 2022-07-05 |
| 11326234 | Cold-rolled steel sheet and hot-dip galvanized cold-rolled steel sheet | Takafumi Yokoyama, Yuji Yamaguchi, Kazuki Shiokawa, Yuichi Nakahira, Hiroyuki Kawata | 2022-05-10 |
| 11274355 | Hot rolled steel sheet and method for producing same | Takeshi Toyoda, Natsuko Sugiura, Tetsuya Hirashima | 2022-03-15 |
| 11198929 | Hot rolled steel sheet and method for producing same | Takeshi Toyoda, Tetsuya Hirashima | 2021-12-14 |
| 11174529 | High-strength steel sheet and method of manufacturing the same | Yoshinari Ishida, Yoshihiro Suwa, Takafumi Yokoyama | 2021-11-16 |
| 11118252 | Galvannealed steel sheet | Kohichi Sano, Hiroyuki Kawata, Yuji Yamaguchi, Satoshi Uchida, Yoshinori Imai | 2021-09-14 |
| 10858719 | Steel sheet | Kengo Takeda, Katsuya Nakano, Yuya Suzuki, Genki Abukawa | 2020-12-08 |
| 10745775 | Galvannealed steel sheet and method for producing the same | Kohichi Sano, Jun Haga, Koutarou Hayashi, Hiroyuki Kawata, Akihiro Uenishi | 2020-08-18 |
| 10724114 | High-strength cold-rolled steel sheet, high-strength hot-dip galvanized steel sheet and high-strength galvannealed steel sheet | Takafumi Yokoyama, Hiroyuki Kawata | 2020-07-28 |
| 10603703 | Method of manufacturing press-formed product, and press-formed product | Eiji Isogai, Nobusato Kojima, Yutaka MIKAZUKI | 2020-03-31 |
| 10513749 | Hot-rolled steel sheet and production method of therefor | Takeshi Toyoda, Ryohta Niiya, Hiroshi Sakai, Hidetoshi Shindo | 2019-12-24 |
| 10435772 | Steel sheet | Yoshinari Ishida, Daisuke Maeda | 2019-10-08 |
| 10384251 | Burring processing method | Eiji Isogai, Yutaka MIKAZUKI | 2019-08-20 |
| 10364478 | Bainite-containing-type high-strength hot-rolled steel sheet having excellent isotropic workability and manufacturing method thereof | Tatsuo Yokoi, Hiroshi Shuto, Nobuhiro Fujita, Kazuaki Nakano, Takeshi Yamamoto | 2019-07-30 |
| 10336037 | Galvanized steel sheet and method for producing the same | Masaharu Oka, Nobuhiro Fujita, Manabu Takahashi, Kenichiroh Matsumura | 2019-07-02 |
| 10294551 | High-strength low-specific-gravity steel sheet having superior spot weldability | Masaharu Oka, Nobuhiro Fujita, Manabu Takahashi, Chisato Wakabayashi | 2019-05-21 |
| 10266928 | Method for producing a cold-rolled steel sheet | Yuri Toda, Nobuhiro Fujita, Kohichi Sano, Hiroshi Yoshida, Toshio Ogawa +2 more | 2019-04-23 |
| 10167539 | Hot-rolled steel sheet and method for producing same | Kohichi Sano, Kunio Hayashi, Kazuaki Nakano, Nobuhiro Fujita | 2019-01-01 |