Inventor · disambiguated record
Changhong Qin
Also filed as: QIN CHANGHONG
4 granted patents·6 citations·filing 2019–2022
59Inventor score
Files withZHEJIANG DAHUA TECHNOLOGY CO4
Top patents by PatentIndex Score
4 records- 0187US11482256B2Systems and methods for video replayingZHEJIANG DAHUA TECHNOLOGY CO·Filed 2020·Granted Oct 25, 2022·6 cites·20 claims
- 0254US12106540B2Systems, methods, and devices for capturing imagesZHEJIANG DAHUA TECHNOLOGY CO·Filed 2022·Granted Oct 1, 2024·0 cites·20 claims
- 0340US10931870B2Systems and methods for video processingZHEJIANG DAHUA TECHNOLOGY CO·Filed 2019·Granted Feb 23, 2021·0 cites·14 claims
- 0436US10726876B2Systems and methods for video replayingZHEJIANG DAHUA TECHNOLOGY CO·Filed 2019·Granted Jul 28, 2020·0 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →