Chengbing GUO

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Nanjing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Display module set and display screen
- Patent number 12,231,805
- Issue date Feb 18, 2025
- NANJING LOPU CO., LTD.
- Bin Zhu
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Display screen cover and display screen
- Patent number 12,032,191
- Issue date Jul 9, 2024
- NANJING LOPU CO., LTD.
- Sheng Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Switched-mode light-emitting diode (LED) display unit satisfying fi...
- Patent number 12,035,490
- Issue date Jul 9, 2024
- NANJING LOPU CO., LTD.
- Bin Zhu
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Display Module Set and Display Screen
- Publication number 20240291940
- Publication date Aug 29, 2024
- NANJING LOPU CO., LTD.
- Bin ZHU
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
DISPLAY SCREEN COVER AND DISPLAY SCREEN
- Publication number 20230408744
- Publication date Dec 21, 2023
- NANJING LOPU CO., LTD.
- Sheng LI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SWITCHED-MODE LIGHT-EMITTING DIODE (LED) DISPLAY UNIT SATISFYING FI...
- Publication number 20230171903
- Publication date Jun 1, 2023
- NANJING LOPU CO., LTD.
- Bin ZHU
- H01 - BASIC ELECTRIC ELEMENTS