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Kazuto Kawamata
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Miyagi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method of magnetizing magnetic sheet and magnetization apparatus
Patent number
6,853,280
Issue date
Feb 8, 2005
Sony Corporation
Toshiaki Sugawara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Magnetic sticking sheet and method of producing same
Patent number
6,714,114
Issue date
Mar 30, 2004
Sony Corporation
Shinichi Matsumura
H01 - BASIC ELECTRIC ELEMENTS
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Patent Grant
Magnetic sticking sheet and method of producing same
Patent number
6,693,506
Issue date
Feb 17, 2004
Shinichi Matsumura
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
Method of magnetizing magnetic sheet and magnetization apparatus
Publication number
20030218525
Publication date
Nov 27, 2003
Toshiaki Sugawara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Magnetic sticking sheet and method of producing same
Publication number
20030206091
Publication date
Nov 6, 2003
Shinichi Matsumura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Magnetic sticking sheet and method of producing same
Publication number
20030034869
Publication date
Feb 20, 2003
Shinichi Matsumura
H01 - BASIC ELECTRIC ELEMENTS