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For the Inventor, By the Inventor

Gyeongsangbuk-do, South Korea

Nanokem Co., Ltd.

USPTO Granted Patents = 4


Forward Citations = 0

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4 inventors (with patents filed for the assignee):

goldMedal Young-Hwan Choi (4 out of 19 patents)

silverMedal Sung-An Ha (4 out of 4 patents)

bronzeMedal Jung-Jae Jang (2 out of 2 patents)

4.  Sung-Hwan Choi (1 out of 1 patent)


4 patents:

1. 12235147 - Apparatus and method for sensing water level (2025-02-25),
2. 12215895 - Carbon monoxide leak alerting device and method (2025-02-04),
3. 12117206 - System and method for discharging carbon monoxide by using carbon monoxide leakage alarm device (2024-10-15),
4. 12051314 - Gas and earthquake detector, gas and earthquake remote monitoring system using the same and method thereof (2024-07-30),
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USPTO Data Jan 1 1976 - Oct 20 2026

4 Patents

#24 in Gyeongsangbuk-do

#2,202 in South Korea

Gyeongsangbuk-do, KR
Gyeongsangbuk-do, South Korea

Nanokem Co., Ltd.

Forward Citations = 0

4 inventors:

goldMedal Young-Hwan Choi (4 out of 19 patents)

silverMedal Sung-An Ha (4 out of 4 patents)

bronzeMedal Jung-Jae Jang (2 out of 2 patents)

4.  Sung-Hwan Choi (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Nanokem Co., Ltd.. Retrieved from https://idiyas.com/company/nanokem-company

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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