Hayakawa; Yasuyuki

Patent Applications and Registrations

Patent applications and USPTO patent grants for Hayakawa; Yasuyuki.The latest application filed is for "method of producing grain-oriented electrical steel sheet".

Company Profile

8.25.31

Hayakawa; Yasuyuki - Tokyo JP
Hayakawa; Yasuyuki - Asakuchi JP
HAYAKAWA; Yasuyuki - Chiyoda-ku Tokyo
HAYAKAWA; Yasuyuki - Asakuchi-shi JP
Hayakawa; Yasuyuki - Kurashiki N/A JP
Hayakawa; Yasuyuki - Asakuchi-city JP
Hayakawa; Yasuyuki - Kurashiki-shi JP
Hayakawa; Yasuyuki - 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 Grant 11,332,801 - Ehashi , et al. May 17, 2	2022-05-17
Method for nitriding grain-oriented electrical steel sheet Grant 11,198,917 - Matsuda , et al. December 14, 2	2021-12-14
Oriented electromagnetic steel sheet and method for manufacturing oriented electromagnetic steel sheet Grant 11,091,842 - Umada , et al. August 17, 2	2021-08-17
Method of producing grain-oriented electrical steel sheet Grant 11,066,722 - Imamura , et al. July 20, 2	2021-07-20
Grain-oriented electrical steel sheet and method for manufacturing the same Grant 10,844,452 - Shingaki , et al. November 24, 2	2020-11-24
Method for manufacturing grain-oriented electrical steel sheet Grant 10,428,403 - Hayakawa , et al. October 1, 2	2019-10-01
Method Of Producing Grain-oriented Electrical Steel Sheet App 20190271054 - EHASHI; Yuiko ; et al.	2019-09-05
Oriented Electromagnetic Steel Sheet And Method For Manufacturing Oriented Electromagnetic Steel Sheet App 20190256985 - Umada; Takumi ; et al.	2019-08-22
Grain-oriented Electrical Steel Sheet And Method For Manufacturing Same App 20190233914 - HAYAKAWA; Yasuyuki ; et al.	2019-08-01
Method For Nitriding Grain-oriented Electrical Steel Sheet App 20190119773 - MATSUDA; Hiroshi ; et al.	2019-04-25
Method Of Producing Grain-oriented Electrical Steel Sheet App 20190112685 - TAKENAKA; Masanori ; et al.	2019-04-18
Method Of Producing Grain-oriented Electrical Steel Sheet App 20190085423 - HAYAKAWA; Yasuyuki ; et al.	2019-03-21
Method and device for nitriding grain-oriented electrical steel sheet Grant 10,214,793 - Matsuda , et al. Feb	2019-02-26
Method Of Producing Grain-oriented Electrical Steel Sheet App 20190055619 - IMAMURA; Takeshi ; et al.	2019-02-21
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 Manufacturing The Same App 20180171425 - SHINGAKI; Yukihiro ; et al.	2018-06-21
Method of producing grain oriented electrical steel sheet Grant 9,978,489 - Takenaka , et al. May 22, 2	2018-05-22
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 And Method For Producing Same App 20180037966 - HAYAKAWA; Yasuyuki ; et al.	2018-02-08
Method For Manufacturing Grain-oriented Electrical Steel Sheet App 20170321296 - HAYAKAWA; Yasuyuki ; et al.	2017-11-09
Method for producing grain-oriented electrical steel sheet Grant 9,748,028 - Shingaki , et al. August 29, 2	2017-08-29
Method Of Manufacturing Grain-oriented Electrical Steel Sheet App 20170240988 - IMAMURA; Takeshi ; et al.	2017-08-24
Production method for grain-oriented electrical steel sheet Grant 9,708,682 - Hayakawa , et al. July 18, 2	2017-07-18
Method for manufacturing grain oriented electrical steel sheet Grant 9,574,249 - Omura , et al. February 21, 2	2017-02-21
Method Of Producing Grain Oriented Electrical Steel Sheet App 20160196909 - TAKENAKA; Masanori ; et al.	2016-07-07
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 App 20150299819 - HAYAKAWA; Yasuyuki ; et al.	2015-10-22
Method For Producing Grain-oriented Electrical Steel Sheet App 20150194247 - Shingaki; Yukihiro ; et al.	2015-07-09
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 20130160901 - Omura; Takeshi ; et al.	2013-06-27
Method For Manufacturing Grain Oriented Electrical Steel Sheet App 20130074996 - Omura; Takeshi ; et al.	2013-03-28
Method for producing grain oriented magnetic steel sheet and grain oriented magnetic steel sheet Grant 7,465,361 - Terashima , et al. December 16, 2	2008-12-16
Grain-oriented magnetic steel sheet having no undercoat film comprising forsterite as primary component and having good magnetic characteristics Grant 7,371,291 - Hayakawa , et al. May 13, 2	2008-05-13
Method of making grain-oriented magnetic steel sheet having low iron loss Grant RE39,482 - Hayakawa , et al. February 6, 2	2007-02-06
Method of constructing underground gallery by using pneumatic transfer system and stratum disposal method Grant 7,063,657 - Okutsu , et al. June 20, 2	2006-06-20
Method for producing grain oriented magnetic steel sheet and grain oriented magnetic steel sheet App 20060076086 - Terashima; Takashi ; et al.	2006-04-13
Grain-oriented magnetic steel sheet having no undercoat film comprising forsterite as primary component and having good magnetic characteristics App 20050224142 - Hayakawa, Yasuyuki ; et al.	2005-10-13
Grain-oriented magnetic steel sheet having no undercoat film comprising forsterite as primary component and having good magnetic characteristics Grant 6,942,740 - Hayakawa , et al. September 13, 2	2005-09-13
Method of constructing underground gallery by using pneumatic transfer system and stratum disposal method App 20050004416 - Okutsu, Kazuo ; et al.	2005-01-06
Method of manufacturing grain-oriented electrical steel sheets Grant 6,811,619 - Hayakawa , et al. November 2, 2	2004-11-02
Grain-oriented magnetic steel sheet having no undercoat film comprising forsterite as primary component and having good magnetic characteristics App 20040074565 - Hayakawa, Yasuyuki ; et al.	2004-04-22
Method of manufacturing grain-oriented electrical steel sheet Grant 6,676,771 - Takashima , et al. January 13, 2	2004-01-13
Method of manufacturing grain-oriented electrical steel sheets App 20030116236 - Hayakawa, Yasuyuki ; et al.	2003-06-26
Electrical steel sheet suitable for compact iron core and manufacturing method therefor Grant 6,562,473 - Okabe , et al. May 13, 2	2003-05-13
Method of manufacturing grain-oriented electrical steel sheet App 20030034092 - Takashima, Minoru ; et al.	2003-02-20
Non-oriented magnetic steel sheet having low iron loss and high magnetic flux density and manufacturing method therefor App 20030024606 - Hayakawa, Yasuyuki ; et al.	2003-02-06
Electromagnetic steel sheet and process for producing the same App 20020059966 - Hayakawa, Yasuyuki ; et al.	2002-05-23
Method of making grain-oriented magnetic steel sheet having low iron loss App 20010030001 - Hayakawa, Yasuyuki ; et al.	2001-10-18
Method of cold rolling grain-oriented silicon steel sheet having excellent and uniform magnetic characteristics along rolling direction of coil and a roll cooling controller for cold rolling mill using the cold rolling method Grant 5,666,842 - Komatsubara , et al. September 16, 1	1997-09-16

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