8 Utility Patents
#3,788 in Suwon-si
#28,243 in South Korea
#517,769 in the World
Forward Citations = 3
Company Filing History:

Philoptics Co., Ltd
where one patent can have more than one assignee
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#3,788 in Suwon-si
#28,243 in South Korea
#517,769 in the World
Company Filing History:

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