Qing Ma

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Zhaoqing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Lighting device for freezer
- Patent number 12,196,405
- Issue date Jan 14, 2025
- ENERGYLED ELECTRONICS CORPORATION
- Deliang Xiao
- F21 - LIGHTING
Information Patent Grant
Waterproof LED lamp tube and casing of same
- Patent number 8,388,171
- Issue date Mar 5, 2013
- LEDTECH Electronics Corp.
- Chienchen Tung
- F21 - LIGHTING
Information Patent Grant
Waterproof LED lamp tube
- Patent number D662629
- Issue date Jun 26, 2012
- LEDTECH Electronics Corp.
- Chienchen Tung
- D26 - Lighting

Patents Applicationslast 30 patents

Information Patent Application
LIGHTING DEVICE FOR FREEZER
- Publication number 20240337376
- Publication date Oct 10, 2024
- ENERGYLED ELECTRONICS CORPORATION
- Deliang XIAO
- F21 - LIGHTING
Information Patent Application
WATERPROOF LED LAMP TUBE AND CASING OF SAME
- Publication number 20120250301
- Publication date Oct 4, 2012
- Chienchen TUNG
- F21 - LIGHTING