Inventor · disambiguated record

Chang Hwang Choi

Also filed as: CHOI CHANG HWANG

1 granted patent·0 citations·filing 2023–2023

1Inventor score

Technology areasG01N

Files withSESUNG INC1

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1 record

0147US12449353B2NDIR gas measuring device for detecting presence of gas other than measurement target gasSESUNG INC·Filed 2023·Granted Oct 21, 2025·0 cites·3 claims

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