Chungcheongbuk-do, South Korea

Ditgreen Co. Ltd.


USPTO Granted Patents = 3


Trademarks = 1

Forward Citations = 0

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14 inventors (with patents filed for the assignee):

goldMedal Soon-Yong Park (2 out of 2 patents)

silverMedal Woo-Hyung Lee (2 out of 2 patents)

bronzeMedal Hyo-Sup Chang (2 out of 2 patents)

4 Tatsuro Ohzeki (1 out of 5 patents)

5 Hong Mo Koo (1 out of 8 patents)

6 Byeong Kwon Hong (1 out of 1 patent)

7 Jae Woong Ha (1 out of 1 patent)

8 Yong-Seok Park (1 out of 3 patents)

9 Soon Yong Park (1 out of 10 patents)

10 Bong Hyun Park (1 out of 12 patents)

11 Mi-Young Jung (1 out of 1 patent)

12 Jae-ryong Moon (1 out of 1 patent)

13 Yong-dug Choi (1 out of 1 patent)

14 Bo-gyeong Cha (1 out of 1 patent)


3 patents:

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USPTO Data Jan 1 1976 - Dec 30 2025

3 Patents

#26 in Chungcheongbuk-do

#2,646 in South Korea

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Chungcheongbuk-do, South Korea
Forward Citations = 0

14 inventors:

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