Yikai ZHANG

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Key device and electronic apparatus containing the key device
- Patent number 8,766,123
- Issue date Jul 1, 2014
- Sony Corporation
- Yangjian Hu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
SIM card slot having a fool-proof function and electronic apparatus...
- Patent number 8,657,629
- Issue date Feb 25, 2014
- Sony Corporation
- Xiyong Tian
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
KEY DEVICE AND ELECTRONIC APPARATUS CONTAINING THE KEY DEVICE
- Publication number 20120261240
- Publication date Oct 18, 2012
- Sony Ericsson Mobile Communications AB
- Yangjian HU
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SIM Card Slot Having a Fool-proof Function and Electronic Apparatus...
- Publication number 20120231650
- Publication date Sep 13, 2012
- Sony Ericsson Mobile Communications AB
- Xiyong TIAN
- G06 - COMPUTING CALCULATING COUNTING