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Osamu Nagata
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Aichi-ken, JP
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last 30 patents
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Patent Grant
Cartridge pen for electronic display board
Patent number
D450767
Issue date
Nov 20, 2001
Brother Industries, Ltd.
Kazuo Itoh
D19 - Office supplies
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Patent Grant
Electronic display board
Patent number
D438258
Issue date
Feb 27, 2001
Brother Industries, Ltd.
Kazuo Itoh
D20 - Sales and advertising equipment