6 Utility Patents
#10,218 in Seoul
#35,616 in South Korea
#670,791 in the World
Forward Citations = 79
Company Filing History:

Youlchon Chemical Co., Ltd.
where one patent can have more than one assignee
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#10,218 in Seoul
#35,616 in South Korea
#670,791 in the World
Company Filing History:

Get your Inventor Badge Today