Ai Hua Sun

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Switch device for use in gateway equipment and gateway equipment
- Patent number 10,623,582
- Issue date Apr 14, 2020
- InterDigital CE Patent Holdings, SAS
- Qi Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Key press detecting circuit
- Patent number 8,138,811
- Issue date Mar 20, 2012
- Thomson Licensing
- Zhi Jun Liao
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
SWITCH DEVICE FOR USE IN GATEWAY EQUIPMENT AND GATEWAY EQUIPMENT
- Publication number 20180198921
- Publication date Jul 12, 2018
- THOMSON LICENSING
- Qi LI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Key press detecting circuit
- Publication number 20090284301
- Publication date Nov 19, 2009
- Zhi Jun Liao
- H03 - BASIC ELECTRONIC CIRCUITRY