Tatsuo YOKOI

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Hot-rolled steel sheet and method for manufacturing same
- Patent number 11,492,679
- Issue date Nov 8, 2022
- Nippon Steel Corporation
- Tatsuo Yokoi
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Hot-rolled steel sheet
- Patent number 11,401,571
- Issue date Aug 2, 2022
- Nippon Steel Corporation
- Tatsuo Yokoi
- C21 - METALLURGY OF IRON
Information Patent Grant
Hot-rolled steel sheet and manufacturing method thereof
- Patent number 11,208,702
- Issue date Dec 28, 2021
- Nippon Steel Corporation
- Akifumi Sakakibara
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Steel sheet and plated steel sheet
- Patent number 11,028,458
- Issue date Jun 8, 2021
- Nippon Steel Corporation
- Yuri Toda
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Hot-rolled steel sheet
- Patent number 10,913,988
- Issue date Feb 9, 2021
- Nippon Steel Corporation
- Hiroshi Shuto
- C21 - METALLURGY OF IRON
Information Patent Grant
Hot rolled steel sheet
- Patent number 10,900,100
- Issue date Jan 26, 2021
- Nippon Steel Corporation
- Tatsuo Yokoi
- C21 - METALLURGY OF IRON
Information Patent Grant
Hot rolled steel sheet
- Patent number 10,894,996
- Issue date Jan 19, 2021
- Nippon Steel Corporation
- Tatsuo Yokoi
- C21 - METALLURGY OF IRON
Information Patent Grant
Hot-rolled steel sheet
- Patent number 10,752,972
- Issue date Aug 25, 2020
- Nippon Steel Corporation
- Natsuko Sugiura
- C21 - METALLURGY OF IRON
Information Patent Grant
Hot-rolled steel sheet
- Patent number 10,689,737
- Issue date Jun 23, 2020
- Nippon Steel Corporation
- Masayuki Wakita
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Steel sheet with strain induced transformation type composite struc...
- Patent number 10,689,724
- Issue date Jun 23, 2020
- Nippon Steel Corporation
- Tatsuo Yokoi
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Hot-rolled steel sheet for tailored rolled blank and tailored rolle...
- Patent number 10,590,506
- Issue date Mar 17, 2020
- Nippon Steel Corporation
- Tatsuo Yokoi
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Tooling for punching steel sheet and punching method
- Patent number 10,384,256
- Issue date Aug 20, 2019
- Nippon Steel Corporation
- Yuzo Takahashi
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Bainite-containing-type high-strength hot-rolled steel sheet having...
- Patent number 10,364,478
- Issue date Jul 30, 2019
- Nippon Steel Corporation
- Tatsuo Yokoi
- C21 - METALLURGY OF IRON
Information Patent Grant
Heat-rolled steel plate for tailored rolled blank, tailored rolled...
- Patent number 10,329,637
- Issue date Jun 25, 2019
- Nippon Steel & Sumitomo Metal Corporation
- Tatsuo Yokoi
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Hot-rolled steel sheet and manufacturing method thereof
- Patent number 10,260,124
- Issue date Apr 16, 2019
- Nippon Steel & Sumitomo Metal Corporation
- Akifumi Sakakibara
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Hot-rolled steel sheet
- Patent number 10,226,800
- Issue date Mar 12, 2019
- Nippon Steel & Sumitomo Metal Corporation
- Hiroshi Shuto
- C21 - METALLURGY OF IRON
Information Patent Grant
High-strength hot-rolled steel sheet having excellent baking harden...
- Patent number 10,196,726
- Issue date Feb 5, 2019
- Nippon Steel & Sumitomo Metal Corporation
- Masafumi Azuma
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Hot-rolled steel sheet and manufacturing method thereof
- Patent number 10,087,499
- Issue date Oct 2, 2018
- Nippon Steel & Sumitomo Metal Corporation
- Hiroshi Shuto
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Hot rolled steel sheet and method for manufacturing the same
- Patent number 9,903,023
- Issue date Feb 27, 2018
- Nippon Steel & Sumitomo Metal Corporation
- Naoki Maruyama
- C21 - METALLURGY OF IRON
Information Patent Grant
Hot-rolled steel sheet
- Patent number 9,896,737
- Issue date Feb 20, 2018
- Nippon Steel & Sumitomo Metal Corporation
- Hiroshi Shuto
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Dual phase steel sheet and manufacturing method thereof
- Patent number 9,863,026
- Issue date Jan 9, 2018
- Nippon Steel & Sumitomo Metal Corporation
- Tatsuo Yokoi
- C21 - METALLURGY OF IRON
Information Patent Grant
Hot-rolled steel sheet for gas nitrocarburizing and manufacturing m...
- Patent number 9,797,024
- Issue date Oct 24, 2017
- Nippon Steel & Sumitomo Metal Corporation
- Tatsuo Yokoi
- C21 - METALLURGY OF IRON
Information Patent Grant
Hot-rolled steel sheet and method of producing the same
- Patent number 9,752,217
- Issue date Sep 5, 2017
- Nippon Steel & Sumitomo Metal Corporation
- Tatsuo Yokoi
- C21 - METALLURGY OF IRON
Information Patent Grant
High strength hot rolled steel sheet for line pipe use excellent in...
- Patent number 9,657,364
- Issue date May 23, 2017
- Nippon Steel & Sumitomo Metal Corporation
- Tatsuo Yokoi
- C21 - METALLURGY OF IRON
Information Patent Grant
Bainite-containing-type high-strength hot-rolled steel sheet having...
- Patent number 9,587,287
- Issue date Mar 7, 2017
- Nippon Steel & Sumitomo Metal Corporation
- Tatsuo Yokoi
- C21 - METALLURGY OF IRON
Information Patent Grant
High-strength cold-rolled steel sheet having excellent stretch flan...
- Patent number 9,512,508
- Issue date Dec 6, 2016
- Nippon Steel & Sumitomo Metal Corporation
- Hiroshi Shuto
- C21 - METALLURGY OF IRON
Information Patent Grant
Hot-rolled steel sheet for gas nitrocarburizing and manufacturing m...
- Patent number 9,453,269
- Issue date Sep 27, 2016
- Nippon Steel & Sumitomo Metal Corporation
- Tatsuo Yokoi
- C21 - METALLURGY OF IRON
Information Patent Grant
Hot-rolled steel sheet and manufacturing method thereof
- Patent number 9,200,342
- Issue date Dec 1, 2015
- Nippon Steel & Sumitomo Metal Corporation
- Tatsuo Yokoi
- C21 - METALLURGY OF IRON
Information Patent Grant
High strength hot rolled steel plate for spiral line pipe superior...
- Patent number 9,062,356
- Issue date Jun 23, 2015
- Nippon Steel & Sumitomo Metal Corporation
- Tatsuo Yokoi
- C21 - METALLURGY OF IRON
Information Patent Grant
High strength hot rolled steel products for line-pipes excellent in...
- Patent number 8,562,762
- Issue date Oct 22, 2013
- Nippon Steel & Sumitomo Metal Corporation
- Tatsuo Yokoi
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
HOT-STRETCH-REDUCED ELECTRIC RESISTANCE WELDED PIPE
- Publication number 20240141451
- Publication date May 2, 2024
- Nippon Steel Corporation
- Kenzo TASHIMA
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
HOT-ROLLED STEEL SHEET
- Publication number 20230416886
- Publication date Dec 28, 2023
- NIPPON STEEL CORPORATION
- Mutsumi SAKAKIBARA
- C21 - METALLURGY OF IRON
Information Patent Application
HOT-ROLLED STEEL SHEET
- Publication number 20230357908
- Publication date Nov 9, 2023
- NIPPON STEEL CORPORATION
- Daisuke ITO
- C21 - METALLURGY OF IRON
Information Patent Application
HIGH-STRENGTH HOT-ROLLED STEEL SHEET
- Publication number 20230287530
- Publication date Sep 14, 2023
- Nippon Steel Corporation
- Yukiko KOBAYASHI
- C21 - METALLURGY OF IRON
Information Patent Application
HOT-ROLLED STEEL SHEET AND METHOD FOR MANUFACTURING SAME
- Publication number 20230041990
- Publication date Feb 9, 2023
- NIPPON STEEL CORPORATION
- Jun ANDO
- C21 - METALLURGY OF IRON
Information Patent Application
HOT-ROLLED STEEL SHEET AND METHOD FOR MANUFACTURING SAME
- Publication number 20220010396
- Publication date Jan 13, 2022
- NIPPON STEEL CORPORATION
- Tatsuo YOKOI
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
HOT-ROLLED STEEL SHEET AND METHOD FOR MANUFACTURING SAME
- Publication number 20210395852
- Publication date Dec 23, 2021
- NIPPON STEEL CORPORATION
- Tatsuo YOKOI
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
HOT ROLLED STEEL SHEET, STEEL FORGED PART AND PRODUCTION METHOD THE...
- Publication number 20210095363
- Publication date Apr 1, 2021
- NIPPON STEEL CORPORATION
- Tatsuo YOKOI
- C21 - METALLURGY OF IRON
Information Patent Application
HOT-ROLLED STEEL SHEET FOR TAILORED ROLLED BLANK AND TAILORED ROLLE...
- Publication number 20200157650
- Publication date May 21, 2020
- NIPPON STEEL CORPORATION
- Tatsuo Yokoi
- C21 - METALLURGY OF IRON
Information Patent Application
HOT ROLLED STEEL SHEET
- Publication number 20200032365
- Publication date Jan 30, 2020
- NIPPON STEEL CORPORATION
- Tatsuo YOKOI
- C21 - METALLURGY OF IRON
Information Patent Application
HOT ROLLED STEEL SHEET, STEEL FORGED PART AND PRODUCTION METHOD THE...
- Publication number 20200024679
- Publication date Jan 23, 2020
- NIPPON STEEL CORPORATION
- Tatsuo YOKOI
- C21 - METALLURGY OF IRON
Information Patent Application
HOT ROLLED STEEL SHEET
- Publication number 20200024683
- Publication date Jan 23, 2020
- NIPPON STEEL CORPORATION
- Tatsuo YOKOI
- C21 - METALLURGY OF IRON
Information Patent Application
STEEL SHEET AND PLATED STEEL SHEET
- Publication number 20190338389
- Publication date Nov 7, 2019
- NIPPON STEEL CORPORATION
- Yuri TODA
- C21 - METALLURGY OF IRON
Information Patent Application
HEAT-ROLLED STEEL PLATE FOR TAILORED ROLLED BLANK, TAILORED ROLLED...
- Publication number 20190256941
- Publication date Aug 22, 2019
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Tatsuo YOKOI
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
HOT-ROLLED STEEL SHEET AND MANUFACTURING METHOD THEREOF
- Publication number 20190161820
- Publication date May 30, 2019
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Akifumi SAKAKIBARA
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
STEEL SHEET WITH STRAIN INDUCED TRANSFORMATION TYPE COMPOSITE STRUC...
- Publication number 20180216206
- Publication date Aug 2, 2018
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Tatsuo YOKOI
- C21 - METALLURGY OF IRON
Information Patent Application
HOT-ROLLED STEEL SHEET
- Publication number 20180044749
- Publication date Feb 15, 2018
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Hiroshi SHUTO
- C21 - METALLURGY OF IRON
Information Patent Application
HOT-ROLLED STEEL SHEET
- Publication number 20180037967
- Publication date Feb 8, 2018
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Natsuko SUGIURA
- C21 - METALLURGY OF IRON
Information Patent Application
HOT-ROLLED STEEL SHEET
- Publication number 20180037980
- Publication date Feb 8, 2018
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Masayuki WAKITA
- C21 - METALLURGY OF IRON
Information Patent Application
HOT-ROLLED STEEL SHEET
- Publication number 20180023162
- Publication date Jan 25, 2018
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Natsuko SUGIURA
- C21 - METALLURGY OF IRON
Information Patent Application
HOT-ROLLED STEEL SHEET
- Publication number 20170349967
- Publication date Dec 7, 2017
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Tatsuo YOKOI
- C21 - METALLURGY OF IRON
Information Patent Application
HOT-ROLLED STEEL SHEET
- Publication number 20170197235
- Publication date Jul 13, 2017
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Hiroshi SHUTO
- B32 - LAYERED PRODUCTS
Information Patent Application
HOT-ROLLED STEEL SHEET
- Publication number 20170145538
- Publication date May 25, 2017
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Hiroshi SHUTO
- C21 - METALLURGY OF IRON
Information Patent Application
BAINITE-CONTAINING-TYPE HIGH-STRENGTH HOT-ROLLED STEEL SHEET HAVING...
- Publication number 20170130294
- Publication date May 11, 2017
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Tatsuo Yokoi
- C21 - METALLURGY OF IRON
Information Patent Application
HEAT-ROLLED STEEL PLATE FOR TAILORED ROLLED BLANK, TAILORED ROLLED...
- Publication number 20170044638
- Publication date Feb 16, 2017
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Tatsuo YOKOI
- C21 - METALLURGY OF IRON
Information Patent Application
HOT-ROLLED STEEL SHEET FOR GAS NITROCARBURIZING AND MANUFACTURING M...
- Publication number 20160355899
- Publication date Dec 8, 2016
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Tatsuo Yokoi
- C21 - METALLURGY OF IRON
Information Patent Application
HOT-ROLLED STEEL SHEET AND MANUFACTURING METHOD THEREOF
- Publication number 20160273066
- Publication date Sep 22, 2016
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Akifumi SAKAKIBARA
- C21 - METALLURGY OF IRON
Information Patent Application
TOOLING FOR PUNCHING STEEL SHEET AND PUNCHING METHOD
- Publication number 20160243606
- Publication date Aug 25, 2016
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Yuzo Takahashi
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
HIGH-STRENGTH HOT-ROLLED STEEL SHEET HAVING EXCELLENT BAKING HARDEN...
- Publication number 20150329950
- Publication date Nov 19, 2015
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Masafumi AZUMA
- C21 - METALLURGY OF IRON
Information Patent Application
HOT ROLLED STEEL SHEET AND METHOD FOR MANUFACTURING THE SAME
- Publication number 20150218708
- Publication date Aug 6, 2015
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Naoki Maruyama
- B32 - LAYERED PRODUCTS

Tatsuo YOKOI

Person

Patents Grantslast 30 patents

Hot-rolled steel sheet and method for manufacturing same

Hot-rolled steel sheet

Hot-rolled steel sheet and manufacturing method thereof

Steel sheet and plated steel sheet

Hot-rolled steel sheet

Hot rolled steel sheet

Hot rolled steel sheet

Hot-rolled steel sheet

Hot-rolled steel sheet

Steel sheet with strain induced transformation type composite struc...

Hot-rolled steel sheet for tailored rolled blank and tailored rolle...

Tooling for punching steel sheet and punching method

Bainite-containing-type high-strength hot-rolled steel sheet having...

Heat-rolled steel plate for tailored rolled blank, tailored rolled...

Hot-rolled steel sheet and manufacturing method thereof

Hot-rolled steel sheet

High-strength hot-rolled steel sheet having excellent baking harden...

Hot-rolled steel sheet and manufacturing method thereof

Hot rolled steel sheet and method for manufacturing the same

Hot-rolled steel sheet

Dual phase steel sheet and manufacturing method thereof

Hot-rolled steel sheet for gas nitrocarburizing and manufacturing m...

Hot-rolled steel sheet and method of producing the same

High strength hot rolled steel sheet for line pipe use excellent in...

Bainite-containing-type high-strength hot-rolled steel sheet having...

High-strength cold-rolled steel sheet having excellent stretch flan...

Hot-rolled steel sheet for gas nitrocarburizing and manufacturing m...

Hot-rolled steel sheet and manufacturing method thereof

High strength hot rolled steel plate for spiral line pipe superior...

High strength hot rolled steel products for line-pipes excellent in...

Patents Applicationslast 30 patents

HOT-STRETCH-REDUCED ELECTRIC RESISTANCE WELDED PIPE

HOT-ROLLED STEEL SHEET

HOT-ROLLED STEEL SHEET

HIGH-STRENGTH HOT-ROLLED STEEL SHEET

HOT-ROLLED STEEL SHEET AND METHOD FOR MANUFACTURING SAME

HOT-ROLLED STEEL SHEET AND METHOD FOR MANUFACTURING SAME

HOT-ROLLED STEEL SHEET AND METHOD FOR MANUFACTURING SAME

HOT ROLLED STEEL SHEET, STEEL FORGED PART AND PRODUCTION METHOD THE...

HOT-ROLLED STEEL SHEET FOR TAILORED ROLLED BLANK AND TAILORED ROLLE...

HOT ROLLED STEEL SHEET

HOT ROLLED STEEL SHEET, STEEL FORGED PART AND PRODUCTION METHOD THE...

HOT ROLLED STEEL SHEET

STEEL SHEET AND PLATED STEEL SHEET

HEAT-ROLLED STEEL PLATE FOR TAILORED ROLLED BLANK, TAILORED ROLLED...

HOT-ROLLED STEEL SHEET AND MANUFACTURING METHOD THEREOF

STEEL SHEET WITH STRAIN INDUCED TRANSFORMATION TYPE COMPOSITE STRUC...

HOT-ROLLED STEEL SHEET

HOT-ROLLED STEEL SHEET

HOT-ROLLED STEEL SHEET

HOT-ROLLED STEEL SHEET

HOT-ROLLED STEEL SHEET

HOT-ROLLED STEEL SHEET

HOT-ROLLED STEEL SHEET

BAINITE-CONTAINING-TYPE HIGH-STRENGTH HOT-ROLLED STEEL SHEET HAVING...

HEAT-ROLLED STEEL PLATE FOR TAILORED ROLLED BLANK, TAILORED ROLLED...

HOT-ROLLED STEEL SHEET FOR GAS NITROCARBURIZING AND MANUFACTURING M...

HOT-ROLLED STEEL SHEET AND MANUFACTURING METHOD THEREOF

TOOLING FOR PUNCHING STEEL SHEET AND PUNCHING METHOD

HIGH-STRENGTH HOT-ROLLED STEEL SHEET HAVING EXCELLENT BAKING HARDEN...

HOT ROLLED STEEL SHEET AND METHOD FOR MANUFACTURING THE SAME