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For the Inventor, By the Inventor

Bucheon, South Korea

Cellreturn Co., Ltd.


USPTO Granted Patents = 2

Trademarks = 1

Forward Citations = 13

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2 inventors (with patents filed for the assignee):

goldMedal Il Gyu Kim (1 out of 169 patents)

silverMedal Ilsoo Kim (1 out of 1 patent)


2 patents:

1. D941481 - LED light face care mask (2022-01-18),
2. 10468561 - LED module for increasing effective wavelengths output (2019-11-05),
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USPTO Data Jan 1 1976 - Dec 30 2025

2 Patents

#4 in Bucheon

#3,610 in South Korea

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Bucheon, South Korea

Cellreturn Co., Ltd.

Forward Citations = 13

2 inventors:

goldMedal Il Gyu Kim (1 out of 169 patents)

silverMedal Ilsoo Kim (1 out of 1 patent)

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