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Kazushi Takama
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Hiroshima, JP
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Patents Grants
last 30 patents
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Patent Grant
Black magnetic iron oxide particles, magnetic carrier for electroph...
Patent number
9,285,698
Issue date
Mar 15, 2016
Toda Kogyo Corporation
Shinji Uemoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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
Information
Patent Grant
Process for producing acicular goethite particles and acicular magn...
Patent number
5,480,571
Issue date
Jan 2, 1996
Toda Kogyo Corp.
Masaru Isoai
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Process for producing acicular geothite particles and acicular magn...
Patent number
5,378,380
Issue date
Jan 3, 1995
Toda Kogyo Corp.
Masaru Isoai
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Acicular magnetic iron oxide particles
Patent number
5,294,492
Issue date
Mar 15, 1994
Toda Kogyo Corp.
Hiroshi Oka
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
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Patent Application
BLACK MAGNETIC IRON OXIDE PARTICLES, MAGNETIC CARRIER FOR ELECTROPH...
Publication number
20090311617
Publication date
Dec 17, 2009
TODA KOGYO CORPORATION
Shinji Uemoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY