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For the Inventor, By the Inventor

Seoul, South Korea

Ozchela Inc.


USPTO Granted Patents = 3

Forward Citations = 1

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3 inventors (with patents filed for the assignee):

goldMedal Min-Kyung Lee (3 out of 15 patents)

silverMedal Jin-Kak Lee (3 out of 3 patents)

bronzeMedal Won-Seok Han (3 out of 3 patents)


3 patents:

1. 12180152 - Stilbene derivative and method for preparing same (2024-12-31),
2. 11401231 - Stilbene derivative and method for preparing same (2022-08-02),
3. 11286228 - Stilbene derivative and method for preparing same (2022-03-29),
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USPTO Data Jan 1 1976 - Oct 13 2026

3 Patents

#967 in Seoul

#2,793 in South Korea

Seoul, KR
Seoul, South Korea

Ozchela Inc.

Forward Citations = 1

3 inventors:

goldMedal Min-Kyung Lee (3 out of 15 patents)

silverMedal Jin-Kak Lee (3 out of 3 patents)

bronzeMedal Won-Seok Han (3 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ozchela Inc.. Retrieved from https://idiyas.com/company/ozchela

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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