Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12098440 | Steel sheet and method for producing same | Takafumi Yokoyama, Yusuke TSUNEMI, Tatsuya Obuchi, Takuya Kuwayama | 2024-09-24 |
| 10351937 | High-strength steel sheet excellent in impact resistance and manufacturing method thereof, and high-strength galvanized steel sheet and manufacturing method thereof | Hiroyuki Kawata, Naoki Maruyama, Akinobu Murasato, Hajime Hasegawa, Chisato Wakabayashi +1 more | 2019-07-16 |
| 9988700 | High-strength steel sheet and high-strength galvanized steel sheet excellent in shape fixability, and manufacturing method thereof | Hiroyuki Kawata, Akinobu Murasato, Yuji Yamaguchi, Natsuko Sugiura, Takuya Kuwayama +2 more | 2018-06-05 |
| 9896751 | 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, Takeshi Yasui, Yuji Yamaguchi +1 more | 2018-02-20 |
| 9708679 | High-strength hot-dip galvanized steel sheet and high-strength alloyed hot-dip galvanized steel sheet excellent in mechanical cutting property, and manufacturing method thereof | Hiroyuki Kawata, Naoki Maruyama, Akinobu Murasato, Takeshi Yasui, Takuya Kuwayama +2 more | 2017-07-18 |
| 9702035 | High-strength hot-dip galvanized steel sheet excellent in impact resistance property and manufacturing method thereof, and high-strength alloyed hot-dip galvanized steel sheet and manufacturing method thereof | Hiroyuki Kawata, Naoki Maruyama, Akinobu Murasato, Takeshi Yasui, Takuya Kuwayama +2 more | 2017-07-11 |
| 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, Masafumi Azuma, Takuya Kuwayama +1 more | 2017-07-04 |
| 9551057 | Galvannealed layer and steel sheet comprising the same, and method for producing the same | Hiroyuki Kawata, Naoki Maruyama, Akinobu Murasato, Takeshi Yasui | 2017-01-24 |
| 9234268 | High-strength galvanized steel sheet excellent in bendability and manufacturing method thereof | Hiroyuki Kawata, Naoki Maruyama, Akinobu Murasato, Takeshi Yasui, Takuya Kuwayama +1 more | 2016-01-12 |
| 9162422 | High-strength hot-dip galvanized steel sheet, high-strength alloyed hot-dip galvanized steel sheet excellent in bake hardenability, and manufacturing method thereof | Hiroyuki Kawata, Naoki Maruyama, Akinobu Murasato, Takeshi Yasui, Takuya Kuwayama +2 more | 2015-10-20 |
| 8993120 | High-strength hot-dip galvanized steel sheet having excellent delayed fracture resistance and manufacturing method thereof | Hiroyuki Kawata, Naoki Maruyama, Akinobu Murasato, Takeshi Yasui, Takuya Kuwayama +2 more | 2015-03-31 |
| 8932729 | High-strength hot-dip galvanized steel sheet excellent in impact resistance property and high-strength alloyed hot-dip galvanized steel sheet | Hiroyuki Kawata, Naoki Maruyama, Akinobu Murasato, Takeshi Yasui, Takuya Kuwayama +2 more | 2015-01-13 |