Daoud S. Attayi

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Waterloo, CA

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Patents Grantslast 30 patents

Information Patent Grant
Method and system for conducting hearing aid compatibility testing...
- Patent number 8,543,103
- Issue date Sep 24, 2013
- BlackBerry Limited
- Yihong Qi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system for conducting hearing aid compatibility testing...
- Patent number 8,301,133
- Issue date Oct 30, 2012
- Research in Motion Limited
- Yihong Qi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND SYSTEM FOR CONDUCTING HEARING AID COMPATIBILITY TESTING...
- Publication number 20130005274
- Publication date Jan 3, 2013
- Research In Motion Limited
- Yihong Qi
- G01 - MEASURING TESTING
Information Patent Application
METHOD AND SYSTEM FOR CONDUCTING SPECIFIC ABSORPTION RATE TESTING O...
- Publication number 20080261584
- Publication date Oct 23, 2008
- Research in Motion Limited
- Yihong Qi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND SYSTEM FOR CONDUCTING HEARING AID COMPATIBILITY TESTING...
- Publication number 20080151982
- Publication date Jun 26, 2008
- Research in Motion Limited
- Yihong Qi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE