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For the Inventor, By the Inventor

Ulsan, South Korea

Em Coretech Co., Ltd.


USPTO Granted Patents = 3

Forward Citations = 1

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2 inventors (with patents filed for the assignee):

goldMedal Sang Yeong Jeong (3 out of 9 patents)

silverMedal Jin Gook Kim (3 out of 9 patents)


3 patents:

1. 11949393 - Divided active electromagnetic interference filter module and manufacturing method thereof (2024-04-02),
2. 11908614 - Active current compensation device capable of detecting malfunction (2024-02-20),
3. 11901832 - Device for compensating for voltage or current (2024-02-13),
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USPTO Data Jan 1 1976 - Dec 16 2025

3 Patents

#47 in Ulsan

#2,645 in South Korea

...
Ulsan, South Korea

Em Coretech Co., Ltd.

Forward Citations = 1

2 inventors:

goldMedal Sang Yeong Jeong (3 out of 9 patents)

silverMedal Jin Gook Kim (3 out of 9 patents)

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