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Toshiharu Harada
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Ube-shi, JP
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Patents Grants
last 30 patents
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Patent Grant
Coated spherical tetragonal barium titanate particles and process f...
Patent number
7,431,908
Issue date
Oct 7, 2008
Toda Kogyo Corporation
Toshiharu Harada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Spherical tetragonal barium titanate particles and process for prod...
Patent number
6,808,697
Issue date
Oct 26, 2004
Toda Kogyo Corporation
Toshiharu Harada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Magnetic recording medium comprising non-magnetic acicular particle...
Patent number
6,063,490
Issue date
May 16, 2000
Toda Kogyo Corporation
Kazuyuki Hayashi
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Non-magnetic particles for non-magnetic undercoating layer of magne...
Patent number
5,587,232
Issue date
Dec 24, 1996
Toda Kogyo Corporation
Kazuyuki Hayashi
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
PROCESS FOR PRODUCING MAGNETIC METAL PARTICLES FOR MAGNETIC RECORDI...
Publication number
20120042750
Publication date
Feb 23, 2012
TODA KOGYO CORPORATION
Mineko Ohsugi
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
PROCESS FOR PRODUCING FERROMAGNETIC METAL PARTICLES AND MAGNETIC RE...
Publication number
20100035087
Publication date
Feb 11, 2010
TODA KOGYO CORPORATION
Hiroko Morii
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
FERROMAGNETIC METAL PARTICLES AND PROCESS FOR PRODUCING THE SAME, A...
Publication number
20090220823
Publication date
Sep 3, 2009
TODA KOGYO CORPORATION
Hiroko MORII
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
PROCESS FOR PRODUCING MAGNETIC METAL PARTICLES FOR MAGNETIC RECORDI...
Publication number
20090202867
Publication date
Aug 13, 2009
Toda Kogyo Corporation
Mineko Ohsugi
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Spherical tetragonal barium titanate particles and process for prod...
Publication number
20050031533
Publication date
Feb 10, 2005
Toda Kogyo Corporation
Toshiharu Harada
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
Spherical tetragonal barium titanate particles and process for prod...
Publication number
20020090335
Publication date
Jul 11, 2002
Toshiharu Harada
C01 - INORGANIC CHEMISTRY