For the Inventor, By the Inventor

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Paju-si, South Korea

Piusys Co., Ltd.

USPTO Granted Patents = 2

Forward Citations = 0

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9 inventors (with patents filed for the assignee):

Seong Je Kim (2 out of 11 patents)

Jin Hyung Lee (2 out of 31 patents)

Ji Wan Kim (2 out of 20 patents)

4. Jung Wook Lee (2 out of 47 patents)

5. Se Hoon Kim (2 out of 13 patents)

6. Myung Sik Lee (2 out of 3 patents)

7. Jong Hyun Ryu (2 out of 8 patents)

8. Dae Yong Kim (2 out of 2 patents)

9. Min Seo Wu (2 out of 2 patents)

2 patents: Sort by Forward Citations

1. 12319803 - Low-density polyurethane foam composition as sound-absorbing material having improved appearance formability, smell reduction and sound absorption performance, method for manufacturing polyurethane foam and polyurethane foam manufactured therefrom (2025-06-03),

2. 11746203 - Low-density polyurethane foam composition as sound-absorbing material having improved appearance formability, smell reduction and sound absorption performance, method for manufacturing polyurethane foam and polyurethane foam manufactured therefrom (2023-09-05),

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USPTO Data Jan 1 1976 - Jan 6 2026

2 Patents

#12 in Paju-si

#3,612 in South Korea

Paju-si, South Korea

Piusys Co., Ltd.

Forward Citations = 0

9 inventors:

Seong Je Kim (2 out of 11 patents)

Jin Hyung Lee (2 out of 31 patents)

Ji Wan Kim (2 out of 20 patents)

4. Jung Wook Lee (2 out of 47 patents)

5. Se Hoon Kim (2 out of 13 patents)

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