YAMAGUCHI; Hiroi

Patent Applications and Registrations

Patent applications and USPTO patent grants for YAMAGUCHI; Hiroi.The latest application filed is for "method of producing grain-oriented electrical steel sheet and annealing separator application line".

Company Profile

3.40.49

YAMAGUCHI; Hiroi - Chiyoda-ku Tokyo
YAMAGUCHI; Hiroi - Tokyo JP
Yamaguchi; Hiroi - Kurashiki JP
YAMAGUCHI; Hiroi - Kurashiki-shi JP
Yamaguchi; Hiroi - Okayama JP

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Method Of Producing Grain-oriented Electrical Steel Sheet And Annealing Separator Application Line App 20220195553 - YAMAGUCHI; Hiroi ; et al.	2022-06-23
Method For Producing Non-oriented Electrical Steel Sheet App 20220186338 - SHIMOYAMA; Yusuke ; et al.	2022-06-16
Method for manufacturing grain-oriented electrical steel sheet Grant 11,286,538 - Takenaka , et al. March 29, 2	2022-03-29
Method for nitriding grain-oriented electrical steel sheet Grant 11,198,917 - Matsuda , et al. December 14, 2	2021-12-14
Method For Manufacturing Grain-oriented Electrical Steel Sheet App 20200040419 - TAKENAKA; Masanori ; et al.	2020-02-06
Method For Producing Grain-oriented Electrical Steel Sheet App 20190323100 - IMAMURA; Takeshi ; et al.	2019-10-24
Grain-oriented electrical steel sheet and method of manufacturing the same Grant 10,395,806 - Inoue , et al. A	2019-08-27
Method For Producing Grain-oriented Electrical Steel Sheet App 20190256938 - TAKENAKA; Masanori ; et al.	2019-08-22
Method For Nitriding Grain-oriented Electrical Steel Sheet App 20190119773 - MATSUDA; Hiroshi ; et al.	2019-04-25
Method and device for nitriding grain-oriented electrical steel sheet Grant 10,214,793 - Matsuda , et al. Feb	2019-02-26
Apparatus and method for nitriding grain-oriented electrical steel sheet Grant 10,066,286 - Matsuda , et al. September 4, 2	2018-09-04
Grain-oriented electrical steel sheet and method for improving iron loss properties thereof Grant 10,062,483 - Inoue , et al. August 28, 2	2018-08-28
Steel sheet inspection device, steel sheet inspection method, and steel sheet manufacturing method Grant 10,031,068 - Ito , et al. July 24, 2	2018-07-24
Grain-oriented electrical steel sheet for iron core and method of manufacturing the same Grant 10,026,533 - Takajo , et al. July 17, 2	2018-07-17
Grain-oriented electrical steel sheet and manufacturing method thereof Grant 10,011,886 - Takajo , et al. July 3, 2	2018-07-03
Grain-oriented electrical steel sheet and method of manufacturing same Grant 9,984,800 - Takajo , et al. May 29, 2	2018-05-29
Production method for grain-oriented electrical steel sheet and primary recrystallized steel sheet for production of grain-oriented electrical steel sheet Grant 9,953,752 - Shingaki , et al. April 24, 2	2018-04-24
Production method for grain-oriented electrical steel sheet and primary recrystallized steel sheet for production of grain-oriented electrical steel sheet Grant 9,905,343 - Shingaki , et al. February 27, 2	2018-02-27
Grain-oriented electrical steel sheet Grant 9,875,832 - Yamaguchi , et al. January 23, 2	2018-01-23
Grain oriented electrical steel sheet Grant 9,799,432 - Yamaguchi , et al. October 24, 2	2017-10-24
Production method for grain-oriented electrical steel sheet Grant 9,708,682 - Hayakawa , et al. July 18, 2	2017-07-18
Grain-oriented electrical steel sheet Grant 9,646,749 - Suehiro , et al. May 9, 2	2017-05-09
Grain oriented electrical steel sheet and method for manufacturing the same Grant 9,536,658 - Omura , et al. January 3, 2	2017-01-03
Grain oriented electrical steel sheet and method for manufacturing the same Grant 9,536,657 - Omura , et al. January 3, 2	2017-01-03
Grain oriented electrical steel sheet and method for manufacturing the same Grant 9,514,868 - Omura , et al. December 6, 2	2016-12-06
Grain Oriented Electrical Steel Sheet And Method For Manufacturing The Same App 20160276081 - Omura; Takeshi ; et al.	2016-09-22
Grain oriented electrical steel sheet and method for manufacturing the same Grant 9,406,437 - Omura , et al. August 2, 2	2016-08-02
Grain oriented electrical steel sheet and method for manufacturing the same Grant 9,396,872 - Inoue , et al. July 19, 2	2016-07-19
Grain oriented electrical steel sheet and method for manufacturing the same Grant 9,396,850 - Yamaguchi , et al. July 19, 2	2016-07-19
Device to improve iron loss properties of grain oriented electrical steel sheet and method for improving iron loss properties of grain oriented electrical steel sheet Grant 9,346,123 - Okabe , et al. May 24, 2	2016-05-24
Grain oriented electrical steel sheet and method for manufacturing the same Grant 9,330,839 - Omura , et al. May 3, 2	2016-05-03
Grain Oriented Electrical Steel Sheet And Method Of Manufacturing The Same App 20160102378 - Omura; Takeshi ; et al.	2016-04-14
Electron gun abnormality detecting device and electron gun abnormality detecting method Grant 9,304,078 - Ito , et al. April 5, 2	2016-04-05
Grain oriented electrical steel sheet Grant 9,240,266 - Takenaka , et al. January 19, 2	2016-01-19
Method And Device For Nitriding Grain-oriented Electrical Steel Sheet App 20150368732 - MATSUDA; Hiroshi ; et al.	2015-12-24
Apparatus And Method For Nitriding Grain-oriented Electrical Steel Sheet App 20150361544 - MATSUDA; Hiroshi ; et al.	2015-12-17
Apparatus And Method For Nitriding Grain-oriented Electrical Steel Sheet App 20150354051 - MATSUDA; Hiroshi ; et al.	2015-12-10
Production Method For Grain-oriented Electrical Steel Sheet And Primary Recrystallized Steel Sheet For Production Of Grain-oriented Electrical Steel Sheet App 20150318092 - SHINGAKI; Yukihiro ; et al.	2015-11-05
Production Method For Grain-oriented Electrical Steel Sheet And Primary Recrystallized Steel Sheet For Production Of Grain-oriented Electrical Steel Sheet App 20150318094 - SHINGAKI; Yukihiro ; et al.	2015-11-05
Production Method For Grain-oriented Electrical Steel Sheet App 20150299819 - HAYAKAWA; Yasuyuki ; et al.	2015-10-22
Steel Sheet Inspection Device, Steel Sheet Inspection Method, And Steel Sheet Manufacturing Method App 20150253242 - Ito; Tomohiko ; et al.	2015-09-10
Electron Gun Abnormality Detecting Device And Electron Gun Abnormality Detecting Method App 20150241335 - Ito; Tomohiko ; et al.	2015-08-27
Grain-oriented Electrical Steel Sheet For Iron Core And Method Of Manufacturing The Same App 20150187474 - Takajo; Shigehiro ; et al.	2015-07-02
Grain-oriented Electrical Steel Sheet And Method For Improving Iron Loss Properties Thereof App 20150132547 - Inoue; Hirotaka ; et al.	2015-05-14
Grain-oriented Electrical Steel Sheet App 20150010762 - Yamaguchi; Hiroi ; et al.	2015-01-08
Grain-oriented Electrical Steel Sheet And Method Of Manufacturing The Same App 20140360629 - Inoue; Hirotaka ; et al.	2014-12-11
Grain-oriented Electrical Steel Sheet App 20140352849 - Suehiro; Ryuichi ; et al.	2014-12-04
Grain-oriented Electrical Steel Sheet And Method Of Manufacturing Same App 20140338792 - Takajo; Shigehiro ; et al.	2014-11-20
Grain-oriented Electrical Steel Sheet And Manufacturing Method Thereof App 20140234638 - Takajo; Shigehiro ; et al.	2014-08-21
Grain oriented electrical steel sheet and method for manufacturing the same Grant 8,784,995 - Omura , et al. July 22, 2	2014-07-22
Grain Oriented Electrical Steel Sheet And Method For Manufacturing The Same App 20130206283 - Inoue; Hirotaka ; et al.	2013-08-15
Method For Manufacturing Grain Oriented Electrical Steel Sheet App 20130167982 - Yamaguchi; Hiroi ; et al.	2013-07-04
Device To Improve Iron Loss Properties Of Grain Oriented Electrical Steel Sheet And Method For Improving Iron Loss Properties Of Grain Oriented Electrical Steel Sheet App 20130161301 - Okabe; Seiji ; et al.	2013-06-27
Grain Oriented Electrical Steel Sheet And Method For Manufacturing The Same App 20130160901 - Omura; Takeshi ; et al.	2013-06-27
Grain Oriented Electrical Steel Sheet And Method For Manufacturing The Same App 20130143050 - Omura; Takeshi ; et al.	2013-06-06
Grain Oriented Electrical Steel Sheet App 20130143003 - Takenaka; Masanori ; et al.	2013-06-06
Grain Oriented Electrical Steel Sheet App 20130133783 - Yamaguchi; Hiroi ; et al.	2013-05-30
Grain Oriented Electrical Steel Sheet And Method For Manufacturing The Same App 20130129984 - Omura; Takeshi ; et al.	2013-05-23
Grain Oriented Electrical Steel Sheet And Method For Manufacturing The Same App 20130129985 - Inoue; Hirotaka ; et al.	2013-05-23
Grain Oriented Electrical Steel Sheet And Method For Manufacturing The Same App 20130130043 - Omura; Takeshi ; et al.	2013-05-23
Grain Oriented Electrical Steel Sheet And Method For Manufacturing The Same App 20130112319 - Omura; Takeshi ; et al.	2013-05-09
Grain Oriented Electrical Steel Sheet And Method For Manufacturing The Same App 20130098507 - Omura; Takeshi ; et al.	2013-04-25
Grain Oriented Electrical Steel Sheet And Method For Manufacturing The Same App 20130098508 - Yamaguchi; Hiroi ; et al.	2013-04-25
Grain oriented electromagnetic steel sheet exhibiting extremely small watt loss and method for producing the same Grant 6,758,915 - Takashima , et al. July 6, 2	2004-07-06
Grain-oriented electrical steel sheet and method of manufacturing the same Grant 5,718,775 - Komatsubara , et al. February 17, 1	1998-02-17

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