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For the Inventor, By the Inventor

Cheonan-si, South Korea

Olas Co., Ltd.


USPTO Granted Patents = 2

Forward Citations = 3

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2 inventors (with patents filed for the assignee):

goldMedal Sang Jun Choi (2 out of 13 patents)

silverMedal Wanuk Kim (1 out of 1 patent)


2 patents:

1. 11493849 - Anti-reflective hardmask composition (2022-11-08),
2. 10858533 - Anti-reflective hardmask composition (2020-12-08),
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USPTO Data Jan 1 1976 - Dec 16 2025

2 Patents

#34 in Cheonan-si

#3,600 in South Korea

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Cheonan-si, South Korea

Olas Co., Ltd.

Forward Citations = 3

2 inventors:

goldMedal Sang Jun Choi (2 out of 13 patents)

silverMedal Wanuk Kim (1 out of 1 patent)

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