Yongwei Niu

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Shanghai, CN

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Patents Applicationslast 30 patents

Information Patent Application
Desktop cellular phone having a SIM card with an encrypted SIM PIN
- Publication number 20060121882
- Publication date Jun 8, 2006
- Spreadtrum Communications Corporation
- Tong Zhao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method for cell locking in a wireless communication device
- Publication number 20060063530
- Publication date Mar 23, 2006
- Spreadtrum Communications Corporation
- Yongwei Niu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE