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Mamoru Kamigaki
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Kure-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Black magnetic iron oxide particles
Patent number
8,545,713
Issue date
Oct 1, 2013
Toda Kogyo Corporation
Ryo Iwai
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Black magnetic iron oxide particles having a specific dissolution o...
Patent number
7,597,958
Issue date
Oct 6, 2009
Toda Kogyo Corporation
Shinji Uemoto
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Black magnetic iron oxide particles having high breakdown voltage
Patent number
7,572,505
Issue date
Aug 11, 2009
Toda Kogyo Corporation
Naoki Uchida
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Functional material, dispersion containing the functional material,...
Patent number
7,432,314
Issue date
Oct 7, 2008
Toda Kogyo Corporation
Mamoru Kamigaki
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Black magnetic acicular composite particles for magnetic recording...
Patent number
6,863,966
Issue date
Mar 8, 2005
Toda Kogyo Corporation
Kazuyuki Hayashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Black magnetic acicular containing composite particles magnetic rec...
Patent number
6,767,611
Issue date
Jul 27, 2004
Toda Kogyo Corporation
Kazuyuki Hayashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium
Patent number
6,689,452
Issue date
Feb 10, 2004
Toda Kogyo Corporation
Mamoru Kamigaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium and magnetic composite particles or magne...
Patent number
6,569,530
Issue date
May 27, 2003
Toda Kogyo Corporation
Kazuyuki Hayashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Black plate-shaped ferrite composite particles with magnet oplumbit...
Patent number
6,531,211
Issue date
Mar 11, 2003
Toda Kogyo Corporation
Kazuyuki Hayashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium containing specific non-magnetic composit...
Patent number
6,511,733
Issue date
Jan 28, 2003
Toda Kogyo Corporation
Kazuyuki Hayashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium
Patent number
6,458,453
Issue date
Oct 1, 2002
Toda Kogyo Corporation
Kazuyuki Hayashi
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Magnetic recording medium
Patent number
6,294,242
Issue date
Sep 25, 2001
Toda Kogyo Corporation
Kazuyuki Hayashi
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Pigment, process for producing the same and paint using the same
Patent number
6,019,834
Issue date
Feb 1, 2000
Toda Kogyo Corporation
Kazuyuki Hayashi
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Modified particles
Patent number
5,686,012
Issue date
Nov 11, 1997
Toda Kogyo Corporation
Kazuyuki Hayashi
B82 - NANO-TECHNOLOGY
Patents Applications
last 30 patents
Information
Patent Application
BLACK MAGNETIC IRON OXIDE PARTICLES
Publication number
20120064449
Publication date
Mar 15, 2012
Ryo Iwai
B82 - NANO-TECHNOLOGY
Information
Patent Application
Functional material, dispersion containing the functional material,...
Publication number
20090007821
Publication date
Jan 8, 2009
Toda Kogyo Corporation
Mamoru KAMIGAKI
B82 - NANO-TECHNOLOGY
Information
Patent Application
Black magnetic iron oxide particles
Publication number
20080206566
Publication date
Aug 28, 2008
Toda Kogyo Corporation
Shinji Uemoto
C01 - INORGANIC CHEMISTRY
Information
Patent Application
Black magnetic iron oxide particles
Publication number
20070254157
Publication date
Nov 1, 2007
Toda Kogyo Corporation
Naoki Uchida
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Functional material, dispersion containing the functional material,...
Publication number
20030199608
Publication date
Oct 23, 2003
Mamoru Kamigaki
B82 - NANO-TECHNOLOGY
Information
Patent Application
Magnetic composite particles for magnetic recording medium, process...
Publication number
20030134152
Publication date
Jul 17, 2003
TODA KOGYO
Kazuyuki Hayashi
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic recording medium
Publication number
20030031895
Publication date
Feb 13, 2003
Mamoru Kamigaki
G11 - INFORMATION STORAGE
Information
Patent Application
Black magnetic acicular composite particles for magnetic recording...
Publication number
20030027018
Publication date
Feb 6, 2003
Kazuyuki Hayashi
G11 - INFORMATION STORAGE
Information
Patent Application
Composite magnetic metal particles containing iron as a main compon...
Publication number
20020192504
Publication date
Dec 19, 2002
Mamoru Kamigaki
C01 - INORGANIC CHEMISTRY
Information
Patent Application
Magnetic recording medium and magnetic composite particles or magne...
Publication number
20020164502
Publication date
Nov 7, 2002
Kazuyuki Hayashi
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic recording medium
Publication number
20010044036
Publication date
Nov 22, 2001
Kazuyuki Hayashi
G11 - INFORMATION STORAGE