Issued Patents All Time
Showing 26–50 of 50 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10787727 | Steel sheet | Kunio Hayashi | 2020-09-29 |
| 10718044 | Hot-dip galvanized steel sheet | Takafumi Yokoyama, Kunio Hayashi, Eisaku Sakurada, Hiroyuki Kawata, Genki Abukawa | 2020-07-21 |
| 10563281 | Heat-treated steel sheet member and method for producing the same | Yoshihiro Suwa, Shinichiro TABATA, Kazuo Hikida | 2020-02-18 |
| 10544474 | High-strength cold-rolled steel sheet and method for producing the same | Takayuki Nozaki, Chisato Wakabayashi, Koichi Sato, Hiroyuki Kawata, Nobuhiro Fujita | 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, Nobuhiro Fujita, Kohichi Sano | 2019-11-05 |
| 10407760 | Hot-dip galvanized steel sheet and manufacturing method thereof | Chisato Wakabayashi, Takayuki Nozaki, Manabu Takahashi, Nobuhiro Fujita | 2019-09-10 |
| 10301699 | Hot-stamped part and method of manufacturing the same | Kaoru Kawasaki, Genki Abukawa | 2019-05-28 |
| 10260124 | Hot-rolled steel sheet and manufacturing method thereof | Akifumi SAKAKIBARA, Tatsuo Yokoi, Hiroshi Shuto, Yuuki Kanzawa | 2019-04-16 |
| 10196726 | High-strength hot-rolled steel sheet having excellent baking hardenability and low temperature toughness with maximum tensile strength of 980 MPa or more | Hiroshi Shuto, Tatsuo Yokoi, Yuuki Kanzawa, Akihiro Uenishi | 2019-02-05 |
| 10023947 | High strength steel plate with ultimate tensile strength of 900 MPa or more excellent in hydrogen embrittlement resistance and method of production of same | Noriyuki Suzuki, Naoki Maruyama, Akinobu Murasato, Yasuharu Sakuma, Hiroyuki Kawata +1 more | 2018-07-17 |
| 10023929 | Hot-rolled steel sheet | Hiroshi Shuto, Akifumi SAKAKIBARA, Yuuki Kanzawa, Ken Kimura | 2018-07-17 |
| 10000829 | Hot-rolled steel sheet | Yuri Toda, Akihiro Uenishi, Genichi Shigesato | 2018-06-19 |
| 9970092 | Galvanized steel sheet and method of manufacturing the same | Takayuki Nozaki, Manabu Takahashi, Nobuhiro Fujita, Chisato Wakabayashi | 2018-05-15 |
| 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, Nobuhiro Fujita, Kohichi Sano | 2017-10-10 |
| 9694561 | High strength steel sheet and high strength galvanized steel sheet excellent in shapeability and methods of production of same | Hiroyuki Kawata, Naoki Maruyama, Akinobu Murasato, Akinobu Minami, Takuya Kuwayama +1 more | 2017-07-04 |
| 9610648 | Spot welded joint and spot welding method | Hatsuhiko Oikawa, Hideki Hamatani, Noriyuki Suzuki, Fuminori Watanabe, Naoki Maruyama +1 more | 2017-04-04 |
| 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 | Chisato Wakabayashi, Takayuki Nozaki, Nobuhiro Fujita, Manabu Takahashi | 2017-01-10 |
| 9109275 | High-strength galvanized steel sheet and method of manufacturing the same | Yasuhide Morimoto, Nobuhiro Fujita, Akihiro Miyasaka, Kazuhiko Honda, Noriyuki Suzuki +1 more | 2015-08-18 |
| 8962149 | Spot welded joint | Hatsuhiko Oikawa, Hideki Hamatani, Noriyuki Suzuki, Fuminori Watanabe, Naoki Maruyama +1 more | 2015-02-24 |
| 8657970 | Hot-rolled steel sheet excellent in fatigue properties and stretch-flange formability and method for manufacturing the same | Naoki Yoshinaga, Yasuharu Sakuma, Naoki Maruyama | 2014-02-25 |
| 8460481 | High-strength steel sheet and galvanized steel sheet having very good balance between hole expansibility and ductility, and also excellent in fatigue resistance, and methods of producing the steel sheets | Noriyuki Suzuki, Naoki Maruyama, Naoki Yoshinaga, Akinobu Murasato | 2013-06-11 |
| 8216397 | High-strength hot-dip galvanized steel sheet and hot-dip galvannealed steel sheet having fatigue resistance, corrosion resistance, ductility and plating adhesion, after severe deformation, and a method of producing the same | Nobuhiro Fujita, Manabu Takahashi, Yasuhide Morimoto, Masao Kurosaki, Akihiro Miyasaka | 2012-07-10 |
| 8163108 | High-strength cold-rolled steel sheet, high-strength galvanized steel sheet, and high-strength alloyed hot-dip galvanized steel sheet having excellent formability and weldability, and methods for manufacturing the same | Naoki Yoshinaga, Naoki Maruyama, Noriyuki Suzuki, Yasuharu Sakuma | 2012-04-24 |
| 7824509 | High-strength hot-dip galvanized steel sheet and hot-dip galvannealed steel sheet having fatigue resistance, corrosion resistance, ductility and plating adhesion, after severe deformation, and a method of producing the same | Nobuhiro Fujita, Manabu Takahashi, Yasuhide Morimoto, Masao Kurosaki, Akihiro Miyasaka | 2010-11-02 |
| 7267890 | High-strength hot-dip galvanized steel sheet and hot-dip galvannealed steel sheet having fatigue resistance corrosion resistance ductility and plating adhesion after servere deformation and a method of producing the same | Nobuhiro Fujita, Manabu Takahashi, Yasuhide Morimoto, Masao Kurosaki, Akihiro Miyasaka | 2007-09-11 |