For the Inventor, By the Inventor

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Gyeongsangbuk-do, South Korea

Nanokem Co., Ltd.

USPTO Granted Patents = 4

EPO Patents = 2

Forward Citations = 0

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4 inventors (with patents filed for the assignee):

Young-Hwan Choi (4 out of 19 patents)

Sung-An Ha (4 out of 4 patents)

Jung-Jae Jang (2 out of 2 patents)

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

4 patents: Sort by Forward Citations

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 - Jan 6 2026

4 Patents

#16 in Gyeongsangbuk-do

#2,091 in South Korea

Gyeongsangbuk-do, South Korea

Nanokem Co., Ltd.

Forward Citations = 0

4 inventors:

Young-Hwan Choi (4 out of 19 patents)

Sung-An Ha (4 out of 4 patents)

Jung-Jae Jang (2 out of 2 patents)

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

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