9 Utility Patents
#2,542 in Yongin-si
#25,321 in South Korea
#459,014 in the World
Forward Citations = 5
Company Filing History:

Philoptics Co., Ltd
where one patent can have more than one assignee
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#2,542 in Yongin-si
#25,321 in South Korea
#459,014 in the World
Company Filing History:

Get your Inventor Badge Today