For the Inventor, By the Inventor

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Daejeon, South Korea

Bio Friends Inc.

USPTO Granted Patents = 3

Forward Citations = 0

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11 inventors (with patents filed for the assignee):

Jeseol Lee (2 out of 2 patents)

Hyejin Yu (2 out of 2 patents)

Wonjun Cho (2 out of 2 patents)

4. Junwoo Lee (2 out of 2 patents)

5. Il Keun Kwon (1 out of 4 patents)

6. Youngsoo Lee (1 out of 1 patent)

7. Wonjae Cho (1 out of 1 patent)

8. Myungkyu Jin (1 out of 1 patent)

9. Dong Nyoung Heo (1 out of 3 patents)

10. Wonaje Cho (1 out of 1 patent)

11. Youngsoo Lee (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 12264617 - DME-fueled generator (2025-04-01),

2. 12240170 - Nozzle device for FDM-type 3D printer (2025-03-04),

3. 11767810 - Trigeneration system using DME (2023-09-26),

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USPTO Data Jan 1 1976 - Sep 22 2026

3 Patents

#148 in Daejeon

#2,788 in South Korea

Daejeon, South Korea

Bio Friends Inc.

Forward Citations = 0

11 inventors:

Jeseol Lee (2 out of 2 patents)

Hyejin Yu (2 out of 2 patents)

Wonjun Cho (2 out of 2 patents)

4. Junwoo Lee (2 out of 2 patents)

5. Il Keun Kwon (1 out of 4 patents)

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