15 Utility and 8 Design Patents
#4,234 in Seoul
#13,859 in South Korea
#246,409 in the World
rank by utility patentsForward Citations = 709
Company Filing History:

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Ehwa Diamond Ind. Co., Ltd.
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#4,234 in Seoul
#13,859 in South Korea
#246,409 in the World
rank by utility patentsCompany Filing History:

Get your Inventor Badge Today