Kurosawa; Mitsumasa

Patent Applications and Registrations

Patent applications and USPTO patent grants for Kurosawa; Mitsumasa.The latest application filed is for "grain-oriented magnetic steel sheet having no undercoat film comprising forsterite as primary component and having good magnetic characteristics".

Company Profile

0.13.12

Kurosawa; Mitsumasa - Okayama JP
Kurosawa; Mitsumasa - Tokyo JP
Kurosawa; Mitsumasa - Kurashiki JP
Kurosawa, Mitsumasa - Kurashiki-Shi JP
Kurosawa; Mitsumasa - Chiba 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
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
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 manufacturing grain-oriented electrical steel sheets Grant 6,811,619 - Hayakawa , et al. November 2, 2	2004-11-02
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 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
Grain oriented electrical steel sheet with low iron loss and production method for same Grant 6,602,357 - Senda , et al. August 5, 2	2003-08-05
Grain oriented electromagnetic steel sheet exhibiting extremely small watt loss and method for producing the same App 20030136470 - Takashima, Minoru ; et al.	2003-07-24
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
Grain oriented electrical steel sheet with low iron loss and production method for same App 20020157734 - Senda, Kunihiro ; et al.	2002-10-31
Method for manufacturing magnetic steel sheet having superior workability and magnetic properties Grant 6,406,558 - Kurosawa , et al. June 18, 2	2002-06-18
Electromagnetic steel sheet and process for producing the same App 20020059966 - Hayakawa, Yasuyuki ; et al.	2002-05-23
Method of manufacturing a grain-oriented electromagnetic steel sheet App 20020011278 - Komatsubara, Michiro ; et al.	2002-01-31
Grain oriented electromagnetic steel sheet and manufacturing thereof App 20020005231 - Senda, Kunihiro ; et al.	2002-01-17
Grain-oriented silicon steel sheet and process for production thereof App 20020000265 - Toda, Hiroaki ; et al.	2002-01-03
Method of making grain-oriented magnetic steel sheet having low iron loss App 20010030001 - Hayakawa, Yasuyuki ; et al.	2001-10-18
Grain oriented electromagnetic steel sheet and manufacturing thereof Grant 6,280,534 - Senda , et al. August 28, 2	2001-08-28
Method of producing grain-oriented magnetic steel sheet Grant 5,885,371 - Komatsubara , et al. March 23, 1	1999-03-23
Method for making grain-oriented silicon steel sheet having excellent magnetic properties Grant 5,620,533 - Kotani , et al. April 15, 1	1997-04-15
Cold-rolled steel sheets Grant 4,750,952 - Sato , et al. June 14, 1	1988-06-14

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