Zhi Qiang GAN

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Kowloon, HK

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Patents Grantslast 30 patents

Information Patent Grant
Baby monitor system with noise filtering and method thereof
- Patent number 11,875,769
- Issue date Jan 16, 2024
- Kelvin Ka Fai Chan
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Baby monitor system with noise filtering
- Patent number 11,240,590
- Issue date Feb 1, 2022
- MERIT ZONE LIMITED
- Kelvin Ka Fai Chan
- G08 - SIGNALLING

Patents Applicationslast 30 patents

Information Patent Application
Baby Monitor System with Noise Filtering and Method Thereof
- Publication number 20220020352
- Publication date Jan 20, 2022
- Kelvin Ka Fai CHAN
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
BABY MONITOR SYSTEM WITH NOISE FILTERING
- Publication number 20210037311
- Publication date Feb 4, 2021
- Kelvin Ka Fai CHAN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE