Gongju-si, South Korea

N&b Co., Ltd.


USPTO Granted Patents = 2

Forward Citations = 1

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5 inventors (with patents filed for the assignee):

goldMedal Hak-Sung Kim (1 out of 13 patents)

silverMedal Chang Woo Seo (1 out of 1 patent)

bronzeMedal Chang-Wan Bae (1 out of 2 patents)

4 Wan Ho Chung (1 out of 3 patents)

5 Dong Hyun Kim (1 out of 61 patents)


2 patents:

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USPTO Data Jan 1 1976 - Dec 9 2025

2 Patents

#4 in Gongju-si

#3,600 in South Korea

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Gongju-si, South Korea
Forward Citations = 1

5 inventors:

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