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Tokyo, JP
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Patents Grants
last 30 patents
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Patent Grant
Stamp for protecting personal information
Patent number
D1026087
Issue date
May 7, 2024
Plus Corporation
Atsushi Tsukamoto
D18 - Printing and office machinery
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Patent Grant
Roller stamp
Patent number
D892918
Issue date
Aug 11, 2020
Plus Corporation
Jin Sugiyama
D18 - Printing and office machinery
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Patent Grant
Roller stamp
Patent number
D850526
Issue date
Jun 4, 2019
Plus Corporation
Jin Sugiyama
D18 - Printing and office machinery