Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10704132 | High-strength hot-dip galvanized steel sheet excellent in impact peeling resistance and worked portion corrosion resistance | Takeshi Yasui, Hiroyuki Kawata, Yuji Yamaguchi, Ryosuke Komami, Satoshi Uchida | 2020-07-07 |
| 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 Minami, Hajime Hasegawa, Chisato Wakabayashi +1 more | 2019-07-16 |
| 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 | Masafumi Azuma, Noriyuki Suzuki, Naoki Maruyama, Yasuharu Sakuma, Hiroyuki Kawata +1 more | 2018-07-17 |
| 9988700 | High-strength steel sheet and high-strength galvanized steel sheet excellent in shape fixability, and manufacturing method thereof | Akinobu Minami, Hiroyuki Kawata, 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 Minami, 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 Minami, 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 Minami, 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 Minami, 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 Minami, Takeshi Yasui | 2017-01-24 |
| 9234268 | High-strength galvanized steel sheet excellent in bendability and manufacturing method thereof | Hiroyuki Kawata, Naoki Maruyama, Akinobu Minami, 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 Minami, Takeshi Yasui, Takuya Kuwayama +2 more | 2015-10-20 |
| 9139885 | High-strength steel sheet and high-strength zinc-coated steel sheet which have excellent ductility and stretch-flangeability and manufacturing method thereof | Hiroyuki Kawata, Naoki Maruyama, Naoki Yoshinaga, Chisato Wakabayashi, Noriyuki Suzuki | 2015-09-22 |
| 8993120 | High-strength hot-dip galvanized steel sheet having excellent delayed fracture resistance and manufacturing method thereof | Hiroyuki Kawata, Naoki Maruyama, Akinobu Minami, 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 Minami, Takeshi Yasui, Takuya Kuwayama +2 more | 2015-01-13 |
| 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 | Masafumi Azuma, Noriyuki Suzuki, Naoki Maruyama, Naoki Yoshinaga | 2013-06-11 |
| 6511553 | Steel for steel excellent in workability and method of deoxidizing same | Junji Nakashima, Takashi Sawai, Mitsuo Uchimura, Wataru Yamada, Shigenori Tanaka +1 more | 2003-01-28 |