Issued Patents All Time
Showing 1–25 of 55 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10927428 | Hot-dip galvanized steel sheet and manufacturing method thereof | Toshiki Nonaka, Toshio Ogawa | 2021-02-23 |
| 10544474 | High-strength cold-rolled steel sheet and method for producing the same | Masafumi Azuma, Takayuki Nozaki, Chisato Wakabayashi, Koichi Sato, Hiroyuki Kawata | 2020-01-28 |
| 10465272 | High-strength hot-dip galvanized steel sheet and high-strength alloyed hot-dip galvanized steel sheet having excellent plating adhesion, formability, and hole expandability with tensile strength of 980 MPa or more and manufacturing method therefor | Chisato Wakabayashi, Masafumi Azuma, Kohichi Sano | 2019-11-05 |
| 10407760 | Hot-dip galvanized steel sheet and manufacturing method thereof | Masafumi Azuma, Chisato Wakabayashi, Takayuki Nozaki, Manabu Takahashi | 2019-09-10 |
| 10364478 | Bainite-containing-type high-strength hot-rolled steel sheet having excellent isotropic workability and manufacturing method thereof | Tatsuo Yokoi, Hiroshi Shuto, Riki Okamoto, Kazuaki Nakano, Takeshi Yamamoto | 2019-07-30 |
| 10336037 | Galvanized steel sheet and method for producing the same | Masaharu Oka, Manabu Takahashi, Riki Okamoto, Kenichiroh Matsumura | 2019-07-02 |
| 10294551 | High-strength low-specific-gravity steel sheet having superior spot weldability | Masaharu Oka, Manabu Takahashi, Riki Okamoto, Chisato Wakabayashi | 2019-05-21 |
| 10280475 | Hot-dip galvanized steel sheet and manufacturing method thereof | Toshiki Nonaka, Toshio Ogawa | 2019-05-07 |
| 10266928 | Method for producing a cold-rolled steel sheet | Yuri Toda, Riki Okamoto, 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, Riki Okamoto | 2019-01-01 |
| 10087499 | Hot-rolled steel sheet and manufacturing method thereof | Hiroshi Shuto, Tatsuo Yokoi, Yuuki Kanzawa, Ryohta Niiya, Shinya Saitoh | 2018-10-02 |
| 10066283 | High-strength cold-rolled steel sheet having excellent uniform elongation and hole expandability | Yuri Toda, Riki Okamoto, Kohichi Sano, Hiroshi Yoshida, Toshio Ogawa | 2018-09-04 |
| 10060006 | High-strength cold-rolled steel sheet having excellent local deformability | Yoshihiro Suwa, Kazuaki Nakano, Kunio Hayashi, Riki Okamoto, Kohichi Sano | 2018-08-28 |
| 9988697 | High-strength hot-rolled steel sheet having excellent local deformability and manufacturing method thereof | Yoshihiro Suwa, Kazuaki Nakano, Kunio Hayashi, Riki Okamoto, Kohichi Sano | 2018-06-05 |
| 9970092 | Galvanized steel sheet and method of manufacturing the same | Takayuki Nozaki, Manabu Takahashi, Masafumi Azuma, Chisato Wakabayashi | 2018-05-15 |
| 9797024 | Hot-rolled steel sheet for gas nitrocarburizing and manufacturing method thereof | Tatsuo Yokoi, Hiroshi Shuto, Riki Okamoto, Kazuaki Nakano, Takeshi Yamamoto | 2017-10-24 |
| 9783878 | High-strength hot-dip galvanized steel sheet and high-strength alloyed hot-dip galvanized steel sheet having excellent plating adhesion, formability, and hole expandability with tensile strength of 980 MPa or more and manufacturing method therefor | Chisato Wakabayashi, Masafumi Azuma, Kohichi Sano | 2017-10-10 |
| 9752217 | Hot-rolled steel sheet and method of producing the same | Tatsuo Yokoi, Hiroshi Shuto, Riki Okamoto, Kazuaki Nakano, Takeshi Yamamoto | 2017-09-05 |
| 9670569 | Cold-rolled steel sheet and production method thereof | Takayuki Nozaki, Manabu Takahashi, Hiroshi Yoshida, Shinichiro Watanabe, Takeshi Yamamoto | 2017-06-06 |
| 9631265 | Hot-rolled steel sheet and method for producing same | Kohichi Sano, Kunio Hayashi, Kazuaki Nakano, Riki Okamoto | 2017-04-25 |
| 9587287 | Bainite-containing-type high-strength hot-rolled steel sheet having excellent isotropic workability and manufacturing method thereof | Tatsuo Yokoi, Hiroshi Shuto, Riki Okamoto, Kazuaki Nakano, Takeshi Yamamoto | 2017-03-07 |
| 9587319 | 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 | 2017-03-07 |
| 9567658 | Cold-rolled steel sheet | Yuri Toda, Riki Okamoto, Kohichi Sano, Hiroshi Yoshida, Toshio Ogawa +2 more | 2017-02-14 |
| 9546413 | Hot-rolled steel sheet and production method thereof | Takayuki Nozaki, Manabu Takahashi, Hiroshi Yoshida, Shinichiro Watanabe, Takeshi Yamamoto +3 more | 2017-01-17 |
| 9540720 | High-strength hot-dip galvanized steel sheet and high-strength alloyed hot-dip galvanized steel sheet having excellent formability and small material anisotropy with ultimate tensile strength of 980 MPa or more | Masafumi Azuma, Chisato Wakabayashi, Takayuki Nozaki, Manabu Takahashi | 2017-01-10 |