For the Inventor, By the Inventor

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Seoul, South Korea

Iron Device Corporation

USPTO Granted Patents = 3

Forward Citations = 2

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7 inventors (with patents filed for the assignee):

Ki Tae Park (3 out of 12 patents)

Jin Sung Kim (2 out of 54 patents)

Hyun Min Cho (1 out of 184 patents)

4. Kyu Don Choi (1 out of 1 patent)

5. Hwang Soo Son (1 out of 2 patents)

6. Eu Ho Chong (1 out of 1 patent)

7. Jae Wook Lee (1 out of 4 patents)

3 patents: Sort by Forward Citations

1. 12479006 - Electronic device and method for operating resonator element at resonance frequency (2025-11-25),

2. 12424943 - Power apparatus (2025-09-23),

3. 11284192 - Speaker driver and operation method thereof (2022-03-22),

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USPTO Data Jan 1 1976 - Dec 23 2025

3 Patents

#857 in Seoul

#2,643 in South Korea

Seoul, South Korea

Iron Device Corporation

Forward Citations = 2

7 inventors:

Ki Tae Park (3 out of 12 patents)

Jin Sung Kim (2 out of 54 patents)

Hyun Min Cho (1 out of 184 patents)

4. Kyu Don Choi (1 out of 1 patent)

5. Hwang Soo Son (1 out of 2 patents)

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