Riki OKAMOTO

Person

Chiba-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Steel sheet and manufacturing method therefor
- Patent number 11,680,303
- Issue date Jun 20, 2023
- Nippon Steel Corporation
- Takafumi Yokoyama
- C21 - METALLURGY OF IRON
Information Patent Grant
Steel sheet and method for producing same
- Patent number 11,591,675
- Issue date Feb 28, 2023
- Nippon Steel Corporation
- Kengo Takeda
- C21 - METALLURGY OF IRON
Information Patent Grant
Steel sheet
- Patent number 11,519,061
- Issue date Dec 6, 2022
- Nippon Steel Corporation
- Riki Okamoto
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Steel sheet and manufacturing method of therefor
- Patent number 11,447,848
- Issue date Sep 20, 2022
- Nippon Steel Corporation
- Takafumi Yokoyama
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Hot-rolled steel sheet
- Patent number 11,434,555
- Issue date Sep 6, 2022
- Nippon Steel Corporation
- Takeshi Toyoda
- C21 - METALLURGY OF IRON
Information Patent Grant
Steel sheet
- Patent number 11,408,045
- Issue date Aug 9, 2022
- Nippon Steel Corporation
- Kengo Takeda
- C21 - METALLURGY OF IRON
Information Patent Grant
Steel sheet and manufacturing method therefor
- Patent number 11,377,710
- Issue date Jul 5, 2022
- Nippon Steel Corporation
- Takafumi Yokoyama
- C21 - METALLURGY OF IRON
Information Patent Grant
Cold-rolled steel sheet and hot-dip galvanized cold-rolled steel sheet
- Patent number 11,326,234
- Issue date May 10, 2022
- Nippon Steel Corporation
- Takafumi Yokoyama
- C21 - METALLURGY OF IRON
Information Patent Grant
Hot rolled steel sheet and method for producing same
- Patent number 11,274,355
- Issue date Mar 15, 2022
- Nippon Steel Corporation
- Takeshi Toyoda
- C21 - METALLURGY OF IRON
Information Patent Grant
Hot rolled steel sheet and method for producing same
- Patent number 11,198,929
- Issue date Dec 14, 2021
- Nippon Steel Corporation
- Takeshi Toyoda
- C21 - METALLURGY OF IRON
Information Patent Grant
High-strength steel sheet and method of manufacturing the same
- Patent number 11,174,529
- Issue date Nov 16, 2021
- Nippon Steel Corporation
- Riki Okamoto
- C21 - METALLURGY OF IRON
Information Patent Grant
Galvannealed steel sheet
- Patent number 11,118,252
- Issue date Sep 14, 2021
- Nippon Steel Corporation
- Kohichi Sano
- B32 - LAYERED PRODUCTS
Information Patent Grant
Steel sheet
- Patent number 10,858,719
- Issue date Dec 8, 2020
- Nippon Steel Corporation
- Kengo Takeda
- B32 - LAYERED PRODUCTS
Information Patent Grant
Galvannealed steel sheet and method for producing the same
- Patent number 10,745,775
- Issue date Aug 18, 2020
- Nippon Steel Corporation
- Kohichi Sano
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
High-strength cold-rolled steel sheet, high-strength hot-dip galvan...
- Patent number 10,724,114
- Issue date Jul 28, 2020
- Nippon Steel Corporation
- Takafumi Yokoyama
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method of manufacturing press-formed product, and press-formed product
- Patent number 10,603,703
- Issue date Mar 31, 2020
- Nippon Steel Corporation
- Eiji Isogai
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Hot-rolled steel sheet and production method of therefor
- Patent number 10,513,749
- Issue date Dec 24, 2019
- Nippon Steel Corporation
- Takeshi Toyoda
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Steel sheet
- Patent number 10,435,772
- Issue date Oct 8, 2019
- Nippon Steel Corporation
- Yoshinari Ishida
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Burring processing method
- Patent number 10,384,251
- Issue date Aug 20, 2019
- Nippon Steel Corporation
- Eiji Isogai
- 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
Galvanized steel sheet and method for producing the same
- Patent number 10,336,037
- Issue date Jul 2, 2019
- Nippon Steel & Sumitomo Metal Corporation
- Masaharu Oka
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
High-strength low-specific-gravity steel sheet having superior spot...
- Patent number 10,294,551
- Issue date May 21, 2019
- Nippon Steel & Sumitomo Metal Corporation
- Masaharu Oka
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for producing a cold-rolled steel sheet
- Patent number 10,266,928
- Issue date Apr 23, 2019
- Nippon Steel & Sumitomo Metal Corporation
- Yuri Toda
- C21 - METALLURGY OF IRON
Information Patent Grant
Hot-rolled steel sheet and method for producing same
- Patent number 10,167,539
- Issue date Jan 1, 2019
- Nippon Steel & Sumitomo Metal Corporation
- Kohichi Sano
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
High-strength cold-rolled steel sheet having excellent uniform elon...
- Patent number 10,066,283
- Issue date Sep 4, 2018
- Nippon Steel & Sumitomo Metal Corporation
- Yuri Toda
- C21 - METALLURGY OF IRON
Information Patent Grant
High-strength cold-rolled steel sheet having excellent local deform...
- Patent number 10,060,006
- Issue date Aug 28, 2018
- Nippon Steel & Sumitomo Metal Corporation
- Yoshihiro Suwa
- C21 - METALLURGY OF IRON
Information Patent Grant
High-strength hot-rolled steel sheet having excellent local deforma...
- Patent number 9,988,697
- Issue date Jun 5, 2018
- Nippon Steel & Sumitomo Metal Corporation
- Yoshihiro Suwa
- C21 - METALLURGY OF IRON
Information Patent Grant
Cold-rolled steel sheet, galvanized cold-rolled steel sheet and met...
- Patent number 9,970,074
- Issue date May 15, 2018
- Nippon Steel & Sumitomo Metal Corporation
- Kaoru Kawasaki
- 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

Patents Applicationslast 30 patents

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
STEEL SHEET AND MANUFACTURING METHOD OF THEREFOR
- Publication number 20210123122
- Publication date Apr 29, 2021
- NIPPON STEEL CORPORATION
- Takafumi YOKOYAMA
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
STEEL SHEET AND MANUFACTURING METHOD THEREFOR
- Publication number 20210095356
- Publication date Apr 1, 2021
- NIPPON STEEL CORPORATION
- Takafumi YOKOYAMA
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
GALVANNEALED STEEL SHEET
- Publication number 20210047716
- Publication date Feb 18, 2021
- NIPPON STEEL CORPORATION
- Kohichi SANO
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
HOT-ROLLED STEEL SHEET
- Publication number 20210040589
- Publication date Feb 11, 2021
- NIPPON STEEL CORPORATION
- Takeshi TOYODA
- C21 - METALLURGY OF IRON
Information Patent Application
STEEL SHEET AND MANUFACTURING METHOD THEREFOR
- Publication number 20210017620
- Publication date Jan 21, 2021
- NIPPON STEEL CORPORATION
- Takafumi YOKOYAMA
- B32 - LAYERED PRODUCTS
Information Patent Application
STEEL SHEET
- Publication number 20200232058
- Publication date Jul 23, 2020
- NIPPON STEEL CORPORATION
- Kengo TAKEDA
- B32 - LAYERED PRODUCTS
Information Patent Application
HOT ROLLED STEEL SHEET AND METHOD FOR PRODUCING SAME
- Publication number 20200199719
- Publication date Jun 25, 2020
- NIPPON STEEL CORPORATION
- Takeshi TOYODA
- C21 - METALLURGY OF IRON
Information Patent Application
HIGH-STRENGTH STEEL SHEET
- Publication number 20200087764
- Publication date Mar 19, 2020
- NIPPON STEEL CORPORATION
- Kohichi SANO
- C21 - METALLURGY OF IRON
Information Patent Application
STEEL SHEET AND METHOD FOR PRODUCING SAME
- Publication number 20200071799
- Publication date Mar 5, 2020
- NIPPON STEEL CORPORATION
- Kengo TAKEDA
- C21 - METALLURGY OF IRON
Information Patent Application
COLD-ROLLED STEEL SHEET AND HOT-DIP GALVANIZED COLD-ROLLED STEEL SHEET
- Publication number 20200024709
- Publication date Jan 23, 2020
- NIPPON STEEL CORPORATION
- Takafumi YOKOYAMA
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
STEEL SHEET
- Publication number 20200017932
- Publication date Jan 16, 2020
- NIPPON STEEL CORPORATION
- Kengo TAKEDA
- B32 - LAYERED PRODUCTS
Information Patent Application
HOT ROLLED STEEL SHEET AND METHOD FOR PRODUCING SAME
- Publication number 20190390294
- Publication date Dec 26, 2019
- NIPPON STEEL CORPORATION
- Takeshi TOYODA
- C21 - METALLURGY OF IRON
Information Patent Application
STEEL SHEET AND PROCESS FOR PRODUCING SAME
- Publication number 20190368002
- Publication date Dec 5, 2019
- NIPPON STEEL CORPORATION
- Koutarou HAYASHI
- B32 - LAYERED PRODUCTS
Information Patent Application
MANUFACTURING METHOD OF STEEL COMPONENT AND STEEL COMPONENT
- Publication number 20190218637
- Publication date Jul 18, 2019
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Riki OKAMOTO
- C21 - METALLURGY OF IRON
Information Patent Application
GALVANNEALED STEEL SHEET AND METHOD FOR PRODUCING THE SAME
- Publication number 20180298462
- Publication date Oct 18, 2018
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Kohichi SANO
- C21 - METALLURGY OF IRON
Information Patent Application
STEEL SHEET
- Publication number 20180237881
- Publication date Aug 23, 2018
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Riki OKAMOTO
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
STEEL SHEET
- Publication number 20180230581
- Publication date Aug 16, 2018
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Riki OKAMOTO
- C21 - METALLURGY OF IRON
Information Patent Application
HIGH-STRENGTH COLD-ROLLED STEEL SHEET, HIGH-STRENGTH HOT-DIP GALVAN...
- Publication number 20180202016
- Publication date Jul 19, 2018
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Takafumi YOKOYAMA
- C21 - METALLURGY OF IRON
Information Patent Application
HIGH-STRENGTH STEEL SHEET AND METHOD OF MANUFACTURING THE SAME
- Publication number 20180148809
- Publication date May 31, 2018
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Riki OKAMOTO
- C21 - METALLURGY OF IRON
Information Patent Application
BURRING PROCESSING METHOD
- Publication number 20180043412
- Publication date Feb 15, 2018
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Eiji ISOGAI
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
STEEL SHEET
- Publication number 20180023172
- Publication date Jan 25, 2018
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Yoshinari ISHIDA
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD OF MANUFACTURING PRESS-FORMED PRODUCT, AND PRESS-FORMED PRODUCT
- Publication number 20170232492
- Publication date Aug 17, 2017
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Eiji ISOGAI
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
HOT-ROLLED STEEL SHEET AND METHOD FOR PRODUCING SAME
- Publication number 20170191140
- Publication date Jul 6, 2017
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Kohichi SANO
- C21 - METALLURGY OF IRON
Information Patent Application
COLD-ROLLED STEEL SHEET AND METHOD FOR PRODUCING SAME
- Publication number 20170183756
- Publication date Jun 29, 2017
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Yuri TODA
- C21 - METALLURGY OF IRON
Information Patent Application
HOT-ROLLED STEEL SHEET AND PRODUCTION METHOD OF THEREFOR
- Publication number 20170159149
- Publication date Jun 8, 2017
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Takeshi TOYODA
- 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
HIGH-STRENGTH COLD-ROLLED STEEL SHEET HAVING EXCELLENT UNIFORM ELON...
- Publication number 20160369383
- Publication date Dec 22, 2016
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Yuri TODA
- 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
HIGH-STRENGTH COLD-ROLLED STEEL SHEET HAVING EXCELLENT LOCAL DEFORM...
- Publication number 20160230245
- Publication date Aug 11, 2016
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Yoshihiro SUWA
- B32 - LAYERED PRODUCTS

Riki OKAMOTO

Person

Patents Grantslast 30 patents

Steel sheet and manufacturing method therefor

Steel sheet and method for producing same

Steel sheet

Steel sheet and manufacturing method of therefor

Hot-rolled steel sheet

Steel sheet

Steel sheet and manufacturing method therefor

Cold-rolled steel sheet and hot-dip galvanized cold-rolled steel sheet

Hot rolled steel sheet and method for producing same

Hot rolled steel sheet and method for producing same

High-strength steel sheet and method of manufacturing the same

Galvannealed steel sheet

Steel sheet

Galvannealed steel sheet and method for producing the same

High-strength cold-rolled steel sheet, high-strength hot-dip galvan...

Method of manufacturing press-formed product, and press-formed product

Hot-rolled steel sheet and production method of therefor

Steel sheet

Burring processing method

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

Galvanized steel sheet and method for producing the same

High-strength low-specific-gravity steel sheet having superior spot...

Method for producing a cold-rolled steel sheet

Hot-rolled steel sheet and method for producing same

High-strength cold-rolled steel sheet having excellent uniform elon...

High-strength cold-rolled steel sheet having excellent local deform...

High-strength hot-rolled steel sheet having excellent local deforma...

Cold-rolled steel sheet, galvanized cold-rolled steel sheet and met...

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

Hot-rolled steel sheet and method of producing the same

Patents Applicationslast 30 patents

HIGH-STRENGTH HOT-ROLLED STEEL SHEET

STEEL SHEET AND MANUFACTURING METHOD OF THEREFOR

STEEL SHEET AND MANUFACTURING METHOD THEREFOR

GALVANNEALED STEEL SHEET

HOT-ROLLED STEEL SHEET

STEEL SHEET AND MANUFACTURING METHOD THEREFOR

STEEL SHEET

HOT ROLLED STEEL SHEET AND METHOD FOR PRODUCING SAME

HIGH-STRENGTH STEEL SHEET

STEEL SHEET AND METHOD FOR PRODUCING SAME

COLD-ROLLED STEEL SHEET AND HOT-DIP GALVANIZED COLD-ROLLED STEEL SHEET

STEEL SHEET

HOT ROLLED STEEL SHEET AND METHOD FOR PRODUCING SAME

STEEL SHEET AND PROCESS FOR PRODUCING SAME

MANUFACTURING METHOD OF STEEL COMPONENT AND STEEL COMPONENT

GALVANNEALED STEEL SHEET AND METHOD FOR PRODUCING THE SAME

STEEL SHEET

STEEL SHEET

HIGH-STRENGTH COLD-ROLLED STEEL SHEET, HIGH-STRENGTH HOT-DIP GALVAN...

HIGH-STRENGTH STEEL SHEET AND METHOD OF MANUFACTURING THE SAME

BURRING PROCESSING METHOD

STEEL SHEET

METHOD OF MANUFACTURING PRESS-FORMED PRODUCT, AND PRESS-FORMED PRODUCT

HOT-ROLLED STEEL SHEET AND METHOD FOR PRODUCING SAME

COLD-ROLLED STEEL SHEET AND METHOD FOR PRODUCING SAME

HOT-ROLLED STEEL SHEET AND PRODUCTION METHOD OF THEREFOR

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

HIGH-STRENGTH COLD-ROLLED STEEL SHEET HAVING EXCELLENT UNIFORM ELON...

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

HIGH-STRENGTH COLD-ROLLED STEEL SHEET HAVING EXCELLENT LOCAL DEFORM...