Image card, image engraving device and image engraving method

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United States of America Patent

PATENT NO 8468703
APP PUB NO 20130056973A1
SERIAL NO

13649901

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An image card has an image formed on a card base by engraving striped grooves having different angles according to the degree of shading of the image by the engraving.

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Patent Owner(s)

Patent OwnerAddress
SEMCO INTERNATIONAL LIMITED9/F AMTEL BLDG 148 DES VOEUX RD CENTRAL CENTRAL

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hoshiyama, Yuichi Tokyo, JP 10 37

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