Cheongju-si, South Korea

Sungchang Energy Lab


USPTO Granted Patents = 3


Forward Citations = 6

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2 inventors (with patents filed for the assignee):

goldMedal Jae Jin Lee (3 out of 36 patents)

silverMedal Jae Seung Yoon (0 patent)


3 patents:

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USPTO Data Jan 1 1976 - Dec 2 2025

3 Patents

#21 in Cheongju-si

#2,637 in South Korea

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Cheongju-si, South Korea
Forward Citations = 6

2 inventors:

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