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For the Inventor, By the Inventor

Ansan-si, South Korea

Atum Co., Ltd.


USPTO Granted Patents = 2

Forward Citations = 0

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2 inventors (with patents filed for the assignee):

goldMedal Taeksoo Han (2 out of 3 patents)

silverMedal Hyunchuel Kim (2 out of 2 patents)


2 patents:

1. 12725731 - Transformer for LDC of electric vehicle (2026-09-01),
2. 12614659 - Transformer for OBC of electric vehicle (2026-04-28),
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USPTO Data Jan 1 1976 - Oct 6 2026

2 Patents

#857 in Ansan-si

#3,791 in South Korea

Ansan-si, KR
Ansan-si, South Korea

Atum Co., Ltd.

Forward Citations = 0

2 inventors:

goldMedal Taeksoo Han (2 out of 3 patents)

silverMedal Hyunchuel Kim (2 out of 2 patents)

Please report any incorrect information to [email protected]
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