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Inventor profile of:

Tomoyuki Okubo

City:

Tokyo

Country:

Japan

Published Applications:

Last publication date:

2026-06-25

Top Assignees for applications by Tomoyuki Okubo

The entities that hold a legal rights for patent applications filed by inventor Okubo Tomoyuki:

JFE STEEL CORPORATION 42 Tokyo, Japan
JFE Steel Corporation 12 Chiyoda-ku, TOKYO, Japan
JFE STEEL CORPPORATION 1 Tokyo, Japan
JFE STEEEL CORPORATION 1 Tokyo, Japan
JFE Steel Corporation 1 , Japan

Recent patent applications by Okubo Tomoyuki

Tomoyuki Okubo from Tokyo, JP has applied for patents for these inventions. The list has both pending applications and granted patents:

#1 | 2026-06-25

US20260176729A1

Chemistry; metallurgy

METHOD FOR PRODUCING NON-ORIENTED ELECTRICAL STEEL SHEET

#2 | 2026-01-15

US20260015686A1

Chemistry; metallurgy

NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR PRODUCING SAME

#3 | 2025-08-28

US20250270668A1

Chemistry; metallurgy

NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR PRODUCING SAME

#4 | 2025-05-08

US20250146093A1

Chemistry; metallurgy

NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR PRODUCING THE SAME

#5 | 2025-01-30

US20250034685A1

Chemistry; metallurgy

NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING SLAB USED AS MATERIAL FOR THE SAME

#6 | 2024-09-12

US20240301525A1

Chemistry; metallurgy

NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING THE SAME

#7 | 2023-08-17

US20230257860A1

Chemistry; metallurgy

Method of producing a non-oriented electrical steel sheet

#8 | 2023-03-02

US20230065674A1

Chemistry; metallurgy

Non-oriented electrical steel sheet and method for producing same, and motor core and method for producing same

#9 | 2022-12-08

US20220393520A1

Electricity

MOTOR CORE AND METHOD OF MANUFACTURING THE SAME

#10 | 2022-11-24

US20220375667A1

Electricity

NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING THE SAME

#11 | 2022-11-24

US20220372600A1

Chemistry; metallurgy

NON-ORIENTED ELECTRICAL STEEL SHEET, MOTOR CORE, AND PRODUCTION METHODS THEREOF

#12 | 2022-09-01

US20220278566A1

Electricity

Method for producing non-oriented electrical steel sheet, method for producing motor core, and motor core

#13 | 2022-03-03

US20220064751A1

Chemistry; metallurgy

NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR PRODUCING SAME

#14 | 2022-02-24

US20220056548A1

Chemistry; metallurgy

NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR PRODUCING SAME

#15 | 2022-02-17

US20220049323A1

Chemistry; metallurgy

Non-oriented electrical steel sheet

#16 | 2021-12-16

US20210388456A1

Chemistry; metallurgy

METHOD FOR PRODUCING NON-ORIENTED ELECTRICAL STEEL SHEET

#17 | 2021-12-02

US20210371948A1

Chemistry; metallurgy

Non-oriented electrical steel sheet and method for producing same, and motor core and method for producing same

#18 | 2021-10-28

US20210332464A1

Chemistry; metallurgy

Non-oriented electrical steel sheet and method of producing same

#19 | 2021-10-28

US20210332463A1

Chemistry; metallurgy

Non-oriented electrical steel sheet and method for manufacturing slab used as material for the same

#20 | 2021-05-27

US20210159002A1

Electricity

Non-oriented electrical steel sheet and method for manufacturing the same

#21 | 2020-07-02

US20200208234A1

Chemistry; metallurgy

Grain-oriented electrical steel sheet and method of manufacturing same

#22 | 2020-06-18

US20200190639A1

Chemistry; metallurgy

Non-oriented electrical steel sheet and manufacturing method therefor

#23 | 2020-01-09

US20200010918A1

Chemistry; metallurgy

Method for producing non-oriented electrical steel sheet, method for producing motor core, and motor core

#24 | 2019-12-19

US20190382867A1

Chemistry; metallurgy

Method for producing non-oriented electrical steel sheet, method for producing motor core, and motor core

#25 | 2019-10-31

US20190333662A1

Electricity

Grain-oriented electrical steel sheet, iron core of transformer, transformer, and method for reducing noise of transformer

#26 | 2019-10-31

US20190330710A1

Chemistry; metallurgy

Non-oriented electrical steel sheet and method of producing same

#27 | 2019-10-31

US20190330708A1

Chemistry; metallurgy

NON-ORIENTED ELECTRICAL STEEL SHEET HAVING AN EXCELLENT RECYCLABILITY

#28 | 2019-08-08

US20190244735A1

Electricity

Non-oriented electrical steel sheet and method of producing same

#29 | 2019-01-24

US20190024205A9

Chemistry; metallurgy

NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD OF PRODUCING SAME

#30 | 2019-01-17

US20190017138A1

Chemistry; metallurgy

Non-oriented electrical steel sheet and production method thereof

#31 | 2018-11-29

US20180340239A1

Chemistry; metallurgy

High-silicon steel sheet and method of manufacturing the same

#32 | 2018-11-15

US20180327883A1

Chemistry; metallurgy

Method for producing non-oriented electrical steel sheet

#33 | 2018-08-16

US20180230564A1

Chemistry; metallurgy

Method for producing non-oriented electrical steel sheet having excellent magnetic properties

#34 | 2018-07-19

US20180202021A1

Chemistry; metallurgy

NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD OF PRODUCING SAME

#35 | 2018-03-08

US20180066333A1

Chemistry; metallurgy

Non-oriented electrical steel sheet, production method therefor, and motor core

#36 | 2018-02-01

US20180030558A1

Chemistry; metallurgy

Method for producing non-oriented electrical steel sheets

#37 | 2018-01-04

US20180002789A1

Chemistry; metallurgy

Non-oriented electrical steel sheet and method for producing the same

#38 | 2018-01-04

US20180002773A1

Chemistry; metallurgy

Grain-oriented electrical steel sheet and method of manufacturing same

#39 | 2017-11-02

US20170314090A1

Chemistry; metallurgy

Non-oriented electrical steel sheet and method for manufacturing non-oriented electrical steel sheet

#40 | 2017-08-24

US20170241002A1

Chemistry; metallurgy

NON-ORIENTED ELECTRICAL STEEL SHEET HAVING EXCELLENT MAGNETIC PROPERTIES

#41 | 2016-12-01

US20160351308A1

Electricity

NON-ORIENTED ELECTRICAL STEEL SHEET HAVING EXCELLENT MAGNETIC PROPERTIES

#42 | 2016-08-11

US20160230240A1

Chemistry; metallurgy

Grain-oriented electrical steel sheet and method for manufacturing same

#43 | 2016-02-11

US20160042850A1

Electricity

Non-oriented electrical steel sheet having excellent magnetic properties

#44 | 2015-01-08

US20150007908A1

Chemistry; metallurgy

Method of producing grain-oriented electrical steel sheet

#45 | 2014-09-11

US20140251514A1

Electricity

Grain-oriented electrical steel sheet and method of producing the same

#46 | 2014-09-04

US20140246124A1

Chemistry; metallurgy

Annealing separator for grain-oriented electromagnetic steel sheet

#47 | 2014-07-24

US20140202599A1

Electricity

Method of producing grain-oriented electrical steel sheet

InventorID:

893237 ⎘