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Patents Grants
last 30 patents
Information
Patent Grant
Method and apparatus for improving power amplifier efficiency in wi...
Patent number
8,670,503
Issue date
Mar 11, 2014
BlackBerry Limited
Wen-Yen Chan
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for compensating code channel power in a trans...
Patent number
8,626,094
Issue date
Jan 7, 2014
BlackBerry Limited
Xin Jin
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Methods and apparatus for controlling a gain state of a wireless re...
Patent number
8,571,505
Issue date
Oct 29, 2013
BlackBerry Limited
Xin Jin
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for precise open loop tuning of reference freq...
Patent number
8,477,878
Issue date
Jul 2, 2013
Research In Motion Limited
Wen-Yen Chan
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for optimizing transmitter power efficiency
Patent number
8,428,181
Issue date
Apr 23, 2013
Research In Motion Limited
Wen-Yen Chan
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for compensating code channel power in a trans...
Patent number
8,385,862
Issue date
Feb 26, 2013
Research In Motion Limited
Xin Jin
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for precise open loop tuning of reference freq...
Patent number
8,295,403
Issue date
Oct 23, 2012
Research In Motion Limited
Wen-Yen M. Chan
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for CDMA timer-based registration on a mobile...
Patent number
8,131,292
Issue date
Mar 6, 2012
Research in Motion Limited
Qingzhong Jiao
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for optimizing transmitter power efficiency
Patent number
8,098,761
Issue date
Jan 17, 2012
Research In Motion Limited
Wen Yen Chan
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for compensating code channel power in a trans...
Patent number
8,090,331
Issue date
Jan 3, 2012
Research in Motion Limited
Xin Ju
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for improving power amplifier efficiency in wi...
Patent number
8,000,409
Issue date
Aug 16, 2011
Research in Motion Limited
Wen-Yen Chan
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for CDMA timer-based registration on a mobile...
Patent number
7,917,143
Issue date
Mar 29, 2011
Research In Motion Limited
Qingzhong Jiao
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method of using SNR to reduce factory test time
Patent number
7,912,463
Issue date
Mar 22, 2011
Research In Motion Limited
Xin Jin
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for compensating code channel power in a trans...
Patent number
7,899,419
Issue date
Mar 1, 2011
Research in Motion Limited
Xin Jin
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Methods and apparatus for controlling a gain state of a wireless re...
Patent number
7,853,230
Issue date
Dec 14, 2010
Research in Motion Limited
Xin Jin
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for optimizing transmitter power efficiency
Patent number
7,852,968
Issue date
Dec 14, 2010
Research In Motion Limited
Wen Yen Chan
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for improving power amplifier efficiency in wi...
Patent number
7,787,566
Issue date
Aug 31, 2010
Research in Motion Limited
Wen-Yen M. Chan
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for improving power amplifier efficiency in wi...
Patent number
7,551,689
Issue date
Jun 23, 2009
Research in Motion Limited
Wen-Yen M. Chan
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method of using SNR to reduce factory test time
Patent number
7,542,764
Issue date
Jun 2, 2009
Research in Motion Limited
Xin Jin
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for precise open loop tuning of reference freq...
Patent number
7,508,888
Issue date
Mar 24, 2009
Research in Motion Limited
Wen-Yen Chan
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Methods and apparatus for controlling a gain state of a wireless re...
Patent number
7,463,872
Issue date
Dec 9, 2008
Research in Motion Limited
Xin Jin
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for improving power amplifier efficiency in wi...
Patent number
7,333,563
Issue date
Feb 19, 2008
Research in Motion Limited
Wen-Yen Chan
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for compensating code channel power in a trans...
Patent number
7,333,784
Issue date
Feb 19, 2008
Research in Motion Limited
Xin Jin
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for optimizing transmitter power efficiency
Patent number
7,308,042
Issue date
Dec 11, 2007
Research in Motion Limited
Xin Jin
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for CDMA timer-based registration on a mobile...
Patent number
7,283,819
Issue date
Oct 16, 2007
Research in Motion Limited
Qingzhong Jiao
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
METHOD AND APPARATUS FOR COMPENSATING CODE CHANNEL POWER IN A TRANS...
Publication number
20130142220
Publication date
Jun 6, 2013
Research in Motion Limited
Xin JIN
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND APPARATUS FOR PRECISE OPEN LOOP TUNING OF REFERENCE FREQ...
Publication number
20130016800
Publication date
Jan 17, 2013
Research in Motion Limited
Wen-Yen Chan
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method and Apparatus for Improving Power Amplifier Efficiency in Wi...
Publication number
20120329411
Publication date
Dec 27, 2012
Research in Motion Limited
Wen-Yen CHAN
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Methods And Apparatus For Controlling A Gain State Of A Wireless Re...
Publication number
20120322397
Publication date
Dec 20, 2012
Research in Motion Limited
Xin Jin
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND APPARATUS FOR COMPENSATING CODE CHANNEL POWER IN A TRANS...
Publication number
20120069929
Publication date
Mar 22, 2012
Research in Motion Limited
Xin Jin
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method and Apparatus for Compensating Code Channel Power in a Trans...
Publication number
20110149917
Publication date
Jun 23, 2011
Xin Jin
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND APPARATUS FOR CDMA TIMER-BASED REGISTRATION ON A MOBILE...
Publication number
20110141977
Publication date
Jun 16, 2011
RESEARCH IN MOTION LIMITED
Qingzhong JIAO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND APPARATUS FOR OPTIMIZING TRANSMITTER POWER EFFICIENCY
Publication number
20110130105
Publication date
Jun 2, 2011
Research in Motion Limited
Wen-Yen Chan
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND APPARATUS FOR IMPROVING POWER AMPLIFIER EFFICIENCY IN WI...
Publication number
20100291887
Publication date
Nov 18, 2010
Research in Motion Limited
Wen-Yen Chan
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND APPARATUS FOR IMPROVING POWER AMPLIFIER EFFICIENCY IN WI...
Publication number
20090245419
Publication date
Oct 1, 2009
Research in Motion Limited
Wen-Yen Chan
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND APPARATUS FOR PRECISE OPEN LOOP TUNING OF REFERENCE FREQ...
Publication number
20090135956
Publication date
May 28, 2009
Research in Motion Limited
Wen-Yen Chan
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD OF USING SNR TO REDUCE FACTORY TEST TIME
Publication number
20090124252
Publication date
May 14, 2009
Research in Motion Limited
Xin Jin
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Methods And Apparatus For Controlling A Gain State Of A Wireless Re...
Publication number
20090068972
Publication date
Mar 12, 2009
Research in Motion Limited
Xin Jin
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND APPARATUS FOR IMPROVING POWER AMPLIFIER EFFICIENCY IN WI...
Publication number
20080118001
Publication date
May 22, 2008
Research in Motion Limited
Wen-Yen Chan
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND APPARATUS FOR COMPENSATING CODE CHANNEL POWER IN A TRANS...
Publication number
20080107088
Publication date
May 8, 2008
Xin Jin
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND APPARATUS FOR CDMA TIMER-BASED REGISTRATION ON A MOBILE...
Publication number
20070298797
Publication date
Dec 27, 2007
RESEARCH IN MOTION LIMITED
Qingzhong JIAO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method and apparatus for CDMA timer-based registration on a mobile...
Publication number
20060240823
Publication date
Oct 26, 2006
Research In Motion Limited
Qingzhong Jiao
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method of using SNR to reduce factory test time
Publication number
20060194552
Publication date
Aug 31, 2006
Research In Motion Limited
Xin Jin
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Methods and apparatus for controlling a gain state of a wireless re...
Publication number
20060189288
Publication date
Aug 24, 2006
Xin Jin
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method and apparatus for precise open loop tuning of reference freq...
Publication number
20060104394
Publication date
May 18, 2006
Research in Motion Limited
Wen-Yen Chan
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method and apparatus for optimizing transmitter power efficiency
Publication number
20050190855
Publication date
Sep 1, 2005
Xin Jin
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method and apparatus for improving power amplifier efficiency in wi...
Publication number
20050186923
Publication date
Aug 25, 2005
Research in Motion Limited
Wen-Yen Chen
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method and apparatus for compensating code channel power in a trans...
Publication number
20050159118
Publication date
Jul 21, 2005
Xin Jin
H04 - ELECTRIC COMMUNICATION TECHNIQUE