For the Inventor, By the Inventor

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Daejeon, South Korea

Hannanotech Co., Ltd.

USPTO Granted Patents = 3

Trademarks = 2

Forward Citations = 0

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5 inventors (with patents filed for the assignee):

Soo Wan Kim (3 out of 3 patents)

Doo Han Ha (2 out of 11 patents)

Dae Ho Lee (1 out of 1 patent)

4. Eun Kyoung Kim (1 out of 25 patents)

5. Sung Wook Ha (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 12305077 - Matting agent including emulsion polymer particles, matting polymer composition including matting agent, and method of producing emulsion polymer particles (2025-05-20),

2. 12168737 - Matting agent including polymer particles, matting polymer composition including matting agent, and method of producing polymer particles (2024-12-17),

3. 11292170 - Processing aids and masterbatches for the same (2022-04-05),

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USPTO Data Jan 1 1976 - Dec 30 2025

3 Patents

#141 in Daejeon

#2,646 in South Korea

Daejeon, South Korea

Hannanotech Co., Ltd.

Forward Citations = 0

5 inventors:

Soo Wan Kim (3 out of 3 patents)

Doo Han Ha (2 out of 11 patents)

Dae Ho Lee (1 out of 1 patent)

4. Eun Kyoung Kim (1 out of 25 patents)

5. Sung Wook Ha (1 out of 1 patent)

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