For the Inventor, By the Inventor

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Seoul, South Korea

Ag Co., Ltd.

USPTO Granted Patents = 2

EPO Patents = 2

Trademarks = 4

Forward Citations = 4

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7 inventors (with patents filed for the assignee):

Dong Soo Kim (2 out of 182 patents)

Kwang Ho Yang (2 out of 6 patents)

Yon Sang Cho (1 out of 2 patents)

4. Seung Sang Cho (1 out of 3 patents)

5. Gi Young Do (1 out of 3 patents)

6. Tae Guen Yu (1 out of 1 patent)

7. Hyung Sik Kim (1 out of 4 patents)

2 patents: Sort by Forward Citations

1. 9834322 - Height adjustment device for rotunda of boarding bridge (2017-12-05),

2. 9630728 - Height-adjustable rotunda-type boarding bridge (2017-04-25),

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USPTO Data Jan 1 1976 - Dec 23 2025

2 Patents

#1,170 in Seoul

#3,602 in South Korea

Seoul, South Korea

Ag Co., Ltd.

Forward Citations = 4

7 inventors:

Dong Soo Kim (2 out of 182 patents)

Kwang Ho Yang (2 out of 6 patents)

Yon Sang Cho (1 out of 2 patents)

4. Seung Sang Cho (1 out of 3 patents)

5. Gi Young Do (1 out of 3 patents)

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