CHENGRUI YAN

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SHANGHAI, CN

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Patents Grantslast 30 patents

Information Patent Grant
LED lighting bulb and manufacturing method
- Patent number 11,473,734
- Issue date Oct 18, 2022
- SIGNIFY HOLDING B.V.
- Chengrui Yan
- F21 - LIGHTING
Information Patent Grant
Lighting unit such as a bulb
- Patent number 11,466,818
- Issue date Oct 11, 2022
- SIGNIFY HOLDING B.V.
- Chengrui Yan
- F21 - LIGHTING

Patents Applicationslast 30 patents

Information Patent Application
MOUNTING BRACKET
- Publication number 20240328573
- Publication date Oct 3, 2024
- Ademco Inc.
- Jiyang Zhang
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
LED LIGHTING BULB AND MANUFACTRING METHOD
- Publication number 20220186888
- Publication date Jun 16, 2022
- CHENGRUI YAN
- F21 - LIGHTING
Information Patent Application
LIGHTING UNIT SUCH AS A BULB
- Publication number 20220120387
- Publication date Apr 21, 2022
- SIGNIFY HOLDING B.V.
- CHENGRUI YAN
- F21 - LIGHTING