| Patent | Date |
|---|
Hot-rolled steel sheet
Grant 11,401,571 - Yokoi , et al. August 2, 2 | 2022-08-02 |
Hot-rolled Steel Sheet And Method For Manufacturing Same
App 20220010396 - YOKOI; Tatsuo ; et al. | 2022-01-13 |
Hot-rolled steel sheet and manufacturing method thereof
Grant 11,208,702 - Sakakibara , et al. December 28, 2 | 2021-12-28 |
Hot-rolled Steel Sheet And Method For Manufacturing Same
App 20210395852 - YOKOI; Tatsuo ; et al. | 2021-12-23 |
Steel sheet and plated steel sheet
Grant 11,028,458 - Toda , et al. June 8, 2 | 2021-06-08 |
Hot Rolled Steel Sheet, Steel Forged Part And Production Method Therefor
App 20210095363 - YOKOI; Tatsuo ; et al. | 2021-04-01 |
Hot-rolled steel sheet
Grant 10,913,988 - Shuto , et al. February 9, 2 | 2021-02-09 |
Hot rolled steel sheet
Grant 10,900,100 - Yokoi , et al. January 26, 2 | 2021-01-26 |
Hot rolled steel sheet
Grant 10,894,996 - Yokoi , et al. January 19, 2 | 2021-01-19 |
Hot-rolled steel sheet
Grant 10,752,972 - Sugiura , et al. A | 2020-08-25 |
Steel sheet with strain induced transformation type composite structure and method of manufacturing same
Grant 10,689,724 - Yokoi , et al. | 2020-06-23 |
Hot-rolled steel sheet
Grant 10,689,737 - Wakita , et al. | 2020-06-23 |
Hot-rolled Steel Sheet For Tailored Rolled Blank And Tailored Rolled Blank
App 20200157650 - Yokoi; Tatsuo ; et al. | 2020-05-21 |
Hot-rolled steel sheet for tailored rolled blank and tailored rolled blank
Grant 10,590,506 - Yokoi , et al. | 2020-03-17 |
Hot Rolled Steel Sheet
App 20200032365 - YOKOI; Tatsuo ; et al. | 2020-01-30 |
Hot Rolled Steel Sheet
App 20200024683 - YOKOI; Tatsuo ; et al. | 2020-01-23 |
Hot Rolled Steel Sheet, Steel Forged Part And Production Method Therefor
App 20200024679 - YOKOI; Tatsuo ; et al. | 2020-01-23 |
Steel Sheet And Plated Steel Sheet
App 20190338389 - TODA; Yuri ; et al. | 2019-11-07 |
Heat-rolled Steel Plate For Tailored Rolled Blank, Tailored Rolled Blank, And Methods For Producing These
App 20190256941 - YOKOI; Tatsuo ; et al. | 2019-08-22 |
Tooling for punching steel sheet and punching method
Grant 10,384,256 - Takahashi , et al. A | 2019-08-20 |
Bainite-containing-type high-strength hot-rolled steel sheet having excellent isotropic workability and manufacturing method thereof
Grant 10,364,478 - Yokoi , et al. | 2019-07-30 |
Heat-rolled steel plate for tailored rolled blank, tailored rolled blank, and methods for producing these
Grant 10,329,637 - Yokoi , et al. | 2019-06-25 |
Hot-rolled Steel Sheet And Manufacturing Method Thereof
App 20190161820 - SAKAKIBARA; Akifumi ; et al. | 2019-05-30 |
Hot-rolled steel sheet and manufacturing method thereof
Grant 10,260,124 - Sakakibara , et al. | 2019-04-16 |
Hot-rolled steel sheet
Grant 10,226,800 - Shuto , et al. | 2019-03-12 |
High-strength hot-rolled steel sheet having excellent baking hardenability and low temperature toughness with maximum tensile strength of 980 MPa or more
Grant 10,196,726 - Azuma , et al. Fe | 2019-02-05 |
Hot-rolled steel sheet and manufacturing method thereof
Grant 10,087,499 - Shuto , et al. October 2, 2 | 2018-10-02 |
Steel Sheet With Strain Induced Transformation Type Composite Structure And Method Of Manufacturing Same
App 20180216206 - YOKOI; Tatsuo ; et al. | 2018-08-02 |
Hot rolled steel sheet and method for manufacturing the same
Grant 9,903,023 - Maruyama , et al. February 27, 2 | 2018-02-27 |
Hot-rolled steel sheet
Grant 9,896,737 - Shuto , et al. February 20, 2 | 2018-02-20 |
Hot-rolled Steel Sheet
App 20180044749 - SHUTO; Hiroshi ; et al. | 2018-02-15 |
Hot-rolled Steel Sheet
App 20180037967 - SUGIURA; Natsuko ; et al. | 2018-02-08 |
Hot-rolled Steel Sheet
App 20180037980 - WAKITA; Masayuki ; et al. | 2018-02-08 |
Hot-rolled Steel Sheet
App 20180023162 - SUGIURA; Natsuko ; et al. | 2018-01-25 |
Dual phase steel sheet and manufacturing method thereof
Grant 9,863,026 - Yokoi , et al. January 9, 2 | 2018-01-09 |
Hot-rolled Steel Sheet
App 20170349967 - YOKOI; Tatsuo ; et al. | 2017-12-07 |
Hot-rolled steel sheet for gas nitrocarburizing and manufacturing method thereof
Grant 9,797,024 - Yokoi , et al. October 24, 2 | 2017-10-24 |
Hot-rolled steel sheet and method of producing the same
Grant 9,752,217 - Yokoi , et al. September 5, 2 | 2017-09-05 |
Hot-rolled Steel Sheet
App 20170197235 - SHUTO; Hiroshi ; et al. | 2017-07-13 |
Hot-rolled Steel Sheet
App 20170145538 - SHUTO; Hiroshi ; et al. | 2017-05-25 |
High strength hot rolled steel sheet for line pipe use excellent in low temperature toughness and ductile fracture arrest performance and method of production of same
Grant 9,657,364 - Yokoi , et al. May 23, 2 | 2017-05-23 |
Bainite-containing-type High-strength Hot-rolled Steel Sheet Having Excellent Isotropic Workability And Manufacturing Method Thereof
App 20170130294 - YOKOI; Tatsuo ; et al. | 2017-05-11 |
Bainite-containing-type high-strength hot-rolled steel sheet having excellent isotropic workability and manufacturing method thereof
Grant 9,587,287 - Yokoi , et al. March 7, 2 | 2017-03-07 |
Heat-rolled Steel Plate For Tailored Rolled Blank, Tailored Rolled Blank, And Methods For Producing These
App 20170044638 - YOKOI; Tatsuo ; et al. | 2017-02-16 |
Hot-rolled Steel Sheet For Gas Nitrocarburizing And Manufacturing Method Thereof
App 20160355899 - YOKOI; Tatsuo ; et al. | 2016-12-08 |
High-strength cold-rolled steel sheet having excellent stretch flangeability and precision punchability and manufacturing method thereof
Grant 9,512,508 - Shuto , et al. December 6, 2 | 2016-12-06 |
Hot-rolled steel sheet for gas nitrocarburizing and manufacturing method thereof
Grant 9,453,269 - Yokoi , et al. September 27, 2 | 2016-09-27 |
Hot-rolled Steel Sheet And Manufacturing Method Thereof
App 20160273066 - SAKAKIBARA; Akifumi ; et al. | 2016-09-22 |
Tooling For Punching Steel Sheet And Punching Method
App 20160243606 - Takahashi; Yuzo ; et al. | 2016-08-25 |
Hot-rolled steel sheet and manufacturing method thereof
Grant 9,200,342 - Yokoi , et al. December 1, 2 | 2015-12-01 |
High-strength Hot-rolled Steel Sheet Having Excellent Baking Hardenability And Low Temperature Toughness With Maximum Tensile Strength Of 980 Mpa Or More
App 20150329950 - AZUMA; Masafumi ; et al. | 2015-11-19 |
Hot Rolled Steel Sheet And Method For Manufacturing The Same
App 20150218708 - Maruyama; Naoki ; et al. | 2015-08-06 |
Dual Phase Steel Sheet And Manufacturing Method Thereof
App 20150203949 - Yokoi; Tatsuo ; et al. | 2015-07-23 |
High strength hot rolled steel plate for spiral line pipe superior in low temperature toughness and method of production of same
Grant 9,062,356 - Yokoi , et al. June 23, 2 | 2015-06-23 |
Hot-rolled Steel Sheet And Manufacturing Method Thereof
App 20150017471 - Shuto; Hiroshi ; et al. | 2015-01-15 |
High Strength Hot Rolled Steel Sheet For Line Pipe Use Excellent In Low Temperature Toughness And Ductile Fracture Arrest Performance And Method Of Production Of Same
App 20140318672 - Yokoi; Tatsuo ; et al. | 2014-10-30 |
High-strength Cold-rolled Steel Sheet Having Excellent Stretch Flangeability And Precision Punchability And Manufacturing Method Thereof
App 20140193667 - Shuto; Hiroshi ; et al. | 2014-07-10 |
Hot-rolled Steel Sheet For Gas Nitrocarburizing And Manufacturing Method Thereof
App 20140027022 - Yokoi; Tatsuo ; et al. | 2014-01-30 |
Hot-rolled Steel Sheet And Method Of Producing The Same
App 20140014237 - Yokoi; Tatsuo ; et al. | 2014-01-16 |
Bainite-containing-type High-strength Hot-rolled Steel Sheet Having Excellent Isotropic Workability And Manufacturing Method Thereof
App 20130319582 - Yokoi; Tatsuo ; et al. | 2013-12-05 |
High strength hot rolled steel products for line-pipes excellent in low temperature toughness and production method of the same
Grant 8,562,762 - Yokoi , et al. October 22, 2 | 2013-10-22 |
Hot-rolled Steel Sheet And Manufacturing Method Thereof
App 20130092295 - Yokoi; Tatsuo ; et al. | 2013-04-18 |
High-strength hot rolled steel sheet being free from peeling and excellent in surface properties and burring properties, and method for manufacturing the same
Grant 8,157,933 - Yokoi , et al. April 17, 2 | 2012-04-17 |
Gear Machining Apparatus And Machining Method
App 20110229282 - Ohno; Katsuyoshi ; et al. | 2011-09-22 |
High Strength Hot Rolled Steel Sheet For Line Pipe Use Excellent In Low Temperature Toughness And Ductile Fracture Arrest Performance And Method Of Production Of Same
App 20110079328 - Yokoi; Tatsuo ; et al. | 2011-04-07 |
High burring, high strength steel sheet excellent in softening resistance of weld heat affected zone and method of production of same
Grant 7,749,338 - Yokoi , et al. July 6, 2 | 2010-07-06 |
High-strength Hot Rolled Steel Sheet Being Free From Peeling And Excellent In Surface Properties And Burring Properties, And Method For Manufacturing The Same
App 20100108201 - Yokoi; Tatsuo ; et al. | 2010-05-06 |
High Strength Hot Rolled Steel Products For Line-pipes Excellent In Low Temperature Touchness And Production Method Of The Same
App 20100084054 - Yokoi; Tatsuo ; et al. | 2010-04-08 |
High Strength Hot Rolled Steel Plate For Spiral Line Pipe Superior In Low Temperature Toughness And Method Of Production Of Same
App 20100059149 - Yokoi; Tatsuo ; et al. | 2010-03-11 |
Hot rolled steel sheet
Grant 7,662,243 - Yokoi , et al. February 16, 2 | 2010-02-16 |
Bake-hardening Hot-rolled Steel Sheet With Excellent Workability And Method For Manufacturing The Same
App 20100000633 - Yokoi; Tatsuo ; et al. | 2010-01-07 |
High-strength thin steel sheet drawable and excellent in shape fixation property and method of producing the same
Grant 7,503,984 - Yokoi , et al. March 17, 2 | 2009-03-17 |
Hot rolled steel sheet for processing and method for manufacturing the same
Grant 7,381,478 - Yokoi , et al. June 3, 2 | 2008-06-03 |
Hot rolled steel sheet for processing and method for manufacturing the same
App 20070037006 - Yokoi; Tatsuo ; et al. | 2007-02-15 |
Hot rolled steel sheet and method for production thereof
App 20060266445 - Yokoi; Tatsuo ; et al. | 2006-11-30 |
High strength steel sheet exhibiting good burring workability and excellent resistance to softening in heat-affected zone and method for production thereof
App 20060081312 - Yokoi; Tatsuo ; et al. | 2006-04-20 |
High-strength thin steel sheet drawable and excellent in shape fixation property and method of producing the same
App 20040244877 - Yokoi, Tatsuo ; et al. | 2004-12-09 |
Thin steel sheet for automobile excellent in notch fatigue strength and method for production thereof
App 20040069382 - Yokoi, Tatsuo ; et al. | 2004-04-15 |
High fatigue strength steel sheet excellent in burring workability and method for producing the same
Grant 6,589,369 - Yokoi , et al. July 8, 2 | 2003-07-08 |
High fatigue strength steel sheet excellent in burring workability and method for producing the same
App 20020179193 - Yokoi, Tatsuo ; et al. | 2002-12-05 |
Ultra low carbon, cold rolled steel sheet and galvanized steel sheet having improved fatigue properties and processes for producing the same
Grant 5,855,696 - Tezuka , et al. January 5, 1 | 1999-01-05 |
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