For the Inventor, By the Inventor

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Changwon-si, South Korea

Winxen Co., Ltd.

USPTO Granted Patents = 1

Forward Citations = 2

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4 inventors (with patents filed for the assignee):

Chang-Kun Chun (1 out of 1 patent)

Woong-Seong Chang (1 out of 1 patent)

In-Gyu Park (1 out of 1 patent)

4. Tae-Sung Roh (1 out of 1 patent)

1 patent: Sort by Forward Citations

1. 8590767 - Method for welding hollow structure (2013-11-26),

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USPTO Data Jan 1 1976 - Jan 6 2026

1 Patents

#30 in Changwon-si

#5,519 in South Korea

Changwon-si, South Korea

Winxen Co., Ltd.

Forward Citations = 2

4 inventors:

Chang-Kun Chun (1 out of 1 patent)

Woong-Seong Chang (1 out of 1 patent)

In-Gyu Park (1 out of 1 patent)

4. Tae-Sung Roh (1 out of 1 patent)

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