De-Hua Tong

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Shenzhen City, CN

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Patents Grantslast 30 patents

Information Patent Grant
Safety electrical receptacle
- Patent number 7,825,546
- Issue date Nov 2, 2010
- Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd.
- Zhan-Wu Li
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND DEVICE FOR SAVING AUTOMOBILE ENERGY
- Publication number 20090143962
- Publication date Jun 4, 2009
- HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD
- De-Hua TONG
- B60 - VEHICLES IN GENERAL
Information Patent Application
SAFETY ELECTRICAL RECEPTACLE
- Publication number 20090098754
- Publication date Apr 16, 2009
- HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD
- Zhan-Wu Li
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MOBILE COMMUNICATION DEVICE AND MOBILE COMMUNICATION SYSTEM AND MET...
- Publication number 20090042541
- Publication date Feb 12, 2009
- HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD
- HAI-JUN YI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE