For the Inventor, By the Inventor

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Busan, South Korea

Chunwoo Tech., Ltd

USPTO Granted Patents = 1

Forward Citations = 0

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2 inventors (with patents filed for the assignee):

Sung-Sik Park (1 out of 7 patents)

Sang-Jin Kim (1 out of 1 patent)

1 patent: Sort by Forward Citations

1. 10590544 - Pickling and passive film treating agent for removing scales and rusts on welding parts of stainless steel pipes and structures (2020-03-17),

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USPTO Data Jan 1 1976 - Sep 29 2026

1 Patents

#135 in Busan

#5,779 in South Korea

Busan, South Korea

Chunwoo Tech., Ltd

Forward Citations = 0

2 inventors:

Sung-Sik Park (1 out of 7 patents)

Sang-Jin Kim (1 out of 1 patent)

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