For the Inventor, By the Inventor

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Daejeon, South Korea

Nanoprotech Co., Ltd.

USPTO Granted Patents = 2

Forward Citations = 7

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6 inventors (with patents filed for the assignee):

Cheul Ock Chae (2 out of 2 patents)

Jin Yong Kim (2 out of 5 patents)

Yeong Ryeol Kim (2 out of 6 patents)

4. Sang Tae Kim (1 out of 2 patents)

5. Soung Jin Kim (1 out of 1 patent)

6. Hyung Lee (1 out of 14 patents)

2 patents: Sort by Forward Citations

1. 9733196 - Upper surface foreign material detecting device of ultra-thin transparent substrate (2017-08-15),

2. 9316598 - Method of detecting foreign material on upper surface of transparent substrate using polarized light (2016-04-19),

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USPTO Data Jan 1 1976 - Jan 6 2026

2 Patents

#198 in Daejeon

#3,612 in South Korea

Daejeon, South Korea

Nanoprotech Co., Ltd.

Forward Citations = 7

6 inventors:

Cheul Ock Chae (2 out of 2 patents)

Jin Yong Kim (2 out of 5 patents)

Yeong Ryeol Kim (2 out of 6 patents)

4. Sang Tae Kim (1 out of 2 patents)

5. Soung Jin Kim (1 out of 1 patent)

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