Tomizawa; Hiroyuki

Patent Applications and Registrations

Patent applications and USPTO patent grants for Tomizawa; Hiroyuki.The latest application filed is for "r-t-cu-mn-b type sintered magnet".

Company Profile

0.13.16

Tomizawa; Hiroyuki - Osaka JP
Tomizawa; Hiroyuki - Hirakata JP
Tomizawa, Hiroyuki - Hirakata-shi JP
Tomizawa; Hiroyuki - Ibaraki 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
R-T-Cu-Mn-B type sintered magnet Grant 8,092,619 - Kuniyoshi , et al. January 10, 2	2012-01-10
R-T-Cu-Mn-B TYPE SINTERED MAGNET App 20110095855 - Kuniyoshi; Futoshi ; et al.	2011-04-28
Rare earth element-iron-boron alloy, and magnetically anisotropic permanent magnet powder and method for production thereof Grant 7,892,365 - Tomizawa , et al. February 22, 2	2011-02-22
Rare earth magnet and method for production thereof Grant 7,867,343 - Tomizawa , et al. January 11, 2	2011-01-11
R-T-B based sintered magnet Grant 7,789,933 - Tomizawa September 7, 2	2010-09-07
R-T-B based sintered magnet Grant 7,740,715 - Tomizawa June 22, 2	2010-06-22
R-t-b Based Sintered Magnet App 20100008814 - TOMIZAWA; Hiroyuki	2010-01-14
R-t-b Based Sintered Magnet App 20100003160 - TOMIZAWA; Hiroyuki	2010-01-07
Magnetic alloy material and method of making the magnetic alloy material Grant 7,578,892 - Hirosawa , et al. August 25, 2	2009-08-25
Rare earth element-iron-boron alloy and magnetically anisotropic permanent magnet powder and method for production thereof Grant 7,550,047 - Tomizawa , et al. June 23, 2	2009-06-23
R-t-b sintered magnet and rare earth alloy Grant 7,534,311 - Tomizawa , et al. May 19, 2	2009-05-19
R-t-b Based Sintered Magnet App 20080274009 - TOMIZAWA; Hiroyuki	2008-11-06
R-t-b Based Sintered Magnet App 20080271821 - TOMIZAWA; Hiroyuki	2008-11-06
Rare Earth Element-iron-boron Alloy, And Magnetically Anisotropic Permanent Magnet Powder And Method For Production Thereof App 20080113210 - TOMIZAWA; Hiroyuki ; et al.	2008-05-15
R-T-B-C based rare-earth magnetic powder and bonded magnet Grant 7,316,752 - Tomizawa , et al. January 8, 2	2008-01-08
Rare earth magnet and method for production thereof App 20070261766 - Tomizawa; Hiroyuki ; et al.	2007-11-15
Rare earth magnet and method for production thereof Grant 7,258,751 - Tomizawa , et al. August 21, 2	2007-08-21
Method for producing quenched R-T-B--C alloy magnet Grant 7,172,659 - Tomizawa , et al. February 6, 2	2007-02-06
Magnetic Alloy Material And Method Of Making The Magnetic Alloy Material App 20060231163 - HIROSAWA; Satoshi ; et al.	2006-10-19
R-t-b sintered magnet and rare earth alloy App 20060201585 - Tomizawa; Hiroyuki ; et al.	2006-09-14
Sinter magnet made from rare earth-iron-boron alloy powder for magnet App 20060016515 - Tomizawa; Hiroyuki ; et al.	2006-01-26
R-t-b sintered magnet and process for producing the same App 20050268989 - Tomizawa, Hiroyuki ; et al.	2005-12-08
Rare earth element-iron-boron alloy and megnetically anisotropic permanent magnet powder and method for production thereof App 20050016632 - Tomizawa, Hiroyuki ; et al.	2005-01-27
Magnetic alloy powder for permanent magnet and method for producing the same Grant 6,818,041 - Tomizawa , et al. November 16, 2	2004-11-16
R T B C based rare earth magnetic powder and bonded magnet App 20040168747 - Tomizawa, Hiroyuki ; et al.	2004-09-02
Method for producing quenched r-t-b-c alloy magnet App 20040168746 - Tomizawa, Hiroyuki ; et al.	2004-09-02
Rare earth magnet and method for production thereof App 20040163737 - Tomizawa, Hiroyuki ; et al.	2004-08-26
Magnetic alloy powder for permanent magnet and method for producing the same App 20020112783 - Tomizawa, Hiroyuki ; et al.	2002-08-22
Permanent magnet Grant 5,200,001 - Hirosawa , et al. April 6, 1	1993-04-06

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