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Kayoko Hayashi

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  • Kasugai-shi, JP
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Patents Grantslast 30 patents

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    • Patent number 8,414,031
    • Issue date Apr 9, 2013
    • Kalbas Co., Ltd.
    • Kenji Hirose
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

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    • Publication number 20090066075
    • Publication date Mar 12, 2009
    • Kalbas Co., Ltd
    • Kenji Hirose
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    • Publication number 20060147668
    • Publication date Jul 6, 2006
    • Kenji Hirose
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS