For the Inventor, By the Inventor

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Seoul, South Korea

K-1 Ecotech Co., Ltd.

USPTO Granted Patents = 2

Forward Citations = 3

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6 inventors (with patents filed for the assignee):

Dae Hyun No (1 out of 1 patent)

Jong Sang Kim (1 out of 2 patents)

Jong Hak Kim (1 out of 6 patents)

4. Chang Hyun Choi (1 out of 5 patents)

5. Chang Hyoung Choi (1 out of 1 patent)

6. Sang Ho Sung (1 out of 1 patent)

2 patents: Sort by Forward Citations

1. 11958002 - [0001] Pre-coating filter device (2024-04-16),

2. 8875904 - Circular filtering disc and filter device having the same (2014-11-04),

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

2 Patents

#1,175 in Seoul

#3,612 in South Korea

Seoul, South Korea

K-1 Ecotech Co., Ltd.

Forward Citations = 3

6 inventors:

Dae Hyun No (1 out of 1 patent)

Jong Sang Kim (1 out of 2 patents)

Jong Hak Kim (1 out of 6 patents)

4. Chang Hyun Choi (1 out of 5 patents)

5. Chang Hyoung Choi (1 out of 1 patent)

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