Gyeonggi-do, South Korea

Masscon Co., Ltd.


USPTO Granted Patents = 3

Trademarks = 2

Forward Citations = 0

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4 inventors (with patents filed for the assignee):

goldMedal Yongeui Lee (3 out of 3 patents)

silverMedal Min Young Cheong (2 out of 2 patents)

bronzeMedal Chang Bin Lee (2 out of 4 patents)

4 Minyoung Cheong (1 out of 1 patent)


3 patents:

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USPTO Data Jan 1 1976 - Dec 9 2025

3 Patents

#189 in Gyeonggi-do

#2,641 in South Korea

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Gyeonggi-do, South Korea
Forward Citations = 0

4 inventors:

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