Seoul, South Korea

Progen Co., Ltd.


USPTO Granted Patents = 2

Forward Citations = 1

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3 inventors (with patents filed for the assignee):

goldMedal Zungyoon Yang (2 out of 4 patents)

silverMedal Eun Joo Nam (1 out of 6 patents)

bronzeMedal Young Chul Sung (1 out of 25 patents)


2 patents:

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USPTO Data Jan 1 1976 - Jan 20 2026

2 Patents

#1,180 in Seoul

#3,618 in South Korea

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Seoul, South Korea
Forward Citations = 1

3 inventors:

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