For the Inventor, By the Inventor

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Ansan, Gyeonggi-do, South Korea

Donga Manufacturing Corp.

USPTO Granted Patents = 1

Forward Citations = 1

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6 inventors (with patents filed for the assignee):

Bo Ki Hong (1 out of 59 patents)

Byeong Heon Jeong (1 out of 5 patents)

Seung Kyung Ko (1 out of 1 patent)

4. Stephen Bowers (1 out of 1 patent)

5. Yoon Gue Choi (1 out of 1 patent)

6. Ho Jin Lee (1 out of 67 patents)

1 patent: Sort by Forward Citations

1. 9640807 - Integrated fluorine gasket manufactured by injection molding for hydrogen fuel cells (2017-05-02),

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USPTO Data Jan 1 1976 - Jan 13 2026

1 Patents

#3 in Ansan, Gyeonggi-do

#5,526 in South Korea

Ansan, Gyeonggi-do, South Korea

Donga Manufacturing Corp.

Forward Citations = 1

6 inventors:

Bo Ki Hong (1 out of 59 patents)

Byeong Heon Jeong (1 out of 5 patents)

Seung Kyung Ko (1 out of 1 patent)

4. Stephen Bowers (1 out of 1 patent)

5. Yoon Gue Choi (1 out of 1 patent)

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