Patent | Date |
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High-strength hot-dip galvanized steel sheet excellent in impact peeling resistance and worked portion corrosion resistance Grant 10,704,132 - Yasui , et al. | 2020-07-07 |
High-strength steel sheet excellent in impact resistance and manufacturing method thereof, and high-strength galvanized steel sheet and manufacturing method thereof Grant 10,351,937 - Kawata , et al. July 16, 2 | 2019-07-16 |
High-strength Hot-dip Galvanized Steel Sheet Excellent In Impact Peeling Resistance And Worked Portion Corrosion Resistance App 20180312954 - YASUI; Takeshi ;   et al. | 2018-11-01 |
High strength steel plate with ultimate tensile strength of 900 MPa or more excellent in hydrogen embrittlement resistance and method of production of same Grant 10,023,947 - Azuma , et al. July 17, 2 | 2018-07-17 |
High-strength steel sheet and high-strength galvanized steel sheet excellent in shape fixability, and manufacturing method thereof Grant 9,988,700 - Minami , et al. June 5, 2 | 2018-06-05 |
High strength steel sheet and high strength galvanized steel sheet excellent in shapeability and methods of production of same Grant 9,896,751 - Kawata , et al. February 20, 2 | 2018-02-20 |
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 Grant 9,708,679 - Kawata , et al. July 18, 2 | 2017-07-18 |
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 Grant 9,702,035 - Kawata , et al. July 11, 2 | 2017-07-11 |
High strength steel sheet and high strength galvanized steel sheet excellent in shapeability and methods of production of same Grant 9,694,561 - Kawata , et al. July 4, 2 | 2017-07-04 |
Galvannealed layer and steel sheet comprising the same, and method for producing the same Grant 9,551,057 - Kawata , et al. January 24, 2 | 2017-01-24 |
High-strength galvanized steel sheet excellent in bendability and manufacturing method thereof Grant 9,234,268 - Kawata , et al. January 12, 2 | 2016-01-12 |
High-strength hot-dip galvanized steel sheet, high-strength alloyed hot-dip galvanized steel sheet excellent in bake hardenability, and manufacturing method thereof Grant 9,162,422 - Kawata , et al. October 20, 2 | 2015-10-20 |
High-strength steel sheet and high-strength zinc-coated steel sheet which have excellent ductility and stretch-flangeability and manufacturing method thereof Grant 9,139,885 - Kawata , et al. September 22, 2 | 2015-09-22 |
High-strength hot-dip galvanized steel sheet having excellent delayed fracture resistance and manufacturing method thereof Grant 8,993,120 - Kawata , et al. March 31, 2 | 2015-03-31 |
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 App 20150083278 - KAWATA; Hiroyuki ;   et al. | 2015-03-26 |
High-strength hot-dip galvanized steel sheet excellent in impact resistance property and high-strength alloyed hot-dip galvanized steel sheet Grant 8,932,729 - Kawata , et al. January 13, 2 | 2015-01-13 |
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 App 20140287263 - Kawata; Hiroyuki ;   et al. | 2014-09-25 |
High-strength Steel Sheet And High-strength Galvanized Steel Sheet Excellent In Shape Fixability, And Manufacturing Method Thereof App 20140242414 - Minami; Akinobu ;   et al. | 2014-08-28 |
High-strength Hot-dip Galvanized Steel Sheet Having Excellent Delayed Fracture Resistance And Manufacturing Method Thereof App 20140234659 - Kawata; Hiroyuki ;   et al. | 2014-08-21 |
High-strength Hot-dip Galvanized Steel Sheet, High-strength Alloyed Hot-dip Galvanized Steel Sheet Excellent In Bake Hardenability, And Manufacturing Method Thereof App 20140234660 - Kawata; Hiroyuki ;   et al. | 2014-08-21 |
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 App 20140227555 - Kawata; Hiroyuki ;   et al. | 2014-08-14 |
High-strength Galvanized Steel Sheet Excellent In Bendability And Manufacturing Method Thereof App 20140212684 - Kawata; Hiroyuki ;   et al. | 2014-07-31 |
High-strength Steel Sheet Excellent In Impact Resistance And Manufacturing Method Thereof, And High-strength Galvanized Steel Sheet And Manufacturing Method Thereof App 20140205855 - Kawata; Hiroyuki ;   et al. | 2014-07-24 |
Galvannealed Layer And Steel Sheet Comprising The Same, And Method For Producing The Same App 20140193665 - Kawata; Hiroyuki ;   et al. | 2014-07-10 |
High Strength Steel Sheet And High Strength Galvanized Steel Sheet Excellent In Shapeability And Methods Of Production Of Same App 20140170440 - Kawata; Hiroyuki ;   et al. | 2014-06-19 |
High Strength Steel Sheet And High Strength Galvanized Steel Sheet Excellent In Shapeability And Methods Of Production Of Same App 20140162088 - Kawata; Hiroyuki ;   et al. | 2014-06-12 |
High-strength Steel Sheet And High-strength Zinc-coated Steel Sheet Which Have Excellent Ductility And Stretch-flangeability And Manufacturing Method Thereof App 20130167980 - Kawata; Hiroyuki ;   et al. | 2013-07-04 |
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 Grant 8,460,481 - Azuma , et al. June 11, 2 | 2013-06-11 |
HIGH STRENGTH STEEL PLATE WITH ULTIMATE TENSILE STRENGTH OF 900 MPa OR MORE EXCELLENT IN HYDROGEN EMBRITTLEMENT RESISTANCE AND METHOD OF PRODUCTION OF SAME App 20120222781 - Azuma; Masafumi ;   et al. | 2012-09-06 |
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 App 20110024004 - Azuma; Masafumi ;   et al. | 2011-02-03 |
Steel for steel excellent in workability and method of deoxidizing same Grant 6,511,553 - Nakashima , et al. January 28, 2 | 2003-01-28 |