Inventor
JIAO QINGZHONG
CA30 patents
⚠️ This page may combine multiple inventors who share the name “JIAO QINGZHONG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RESEARCH IN MOTION LTD
17 patentsUS7333563B2Feb 19, 2008
Method and apparatus for improving power amplifier efficiency in wireless communication systems having high peak to average power ratios
RESEARCH IN MOTION LTD53 citations96
US8000409B2Aug 16, 2011
Method and apparatus for improving power amplifier efficiency in wireless communication systems having high peak to average power ratios
RESEARCH IN MOTION LTD23 citations92
US7852968B2Dec 14, 2010
Method and apparatus for optimizing transmitter power efficiency
RESEARCH IN MOTION LTD17 citations92
US7787566B2Aug 31, 2010
Method and apparatus for improving power amplifier efficiency in wireless communication systems having high peak to average power ratios
RESEARCH IN MOTION LTD24 citations91
US7551689B2Jun 23, 2009
Method and apparatus for improving power amplifier efficiency in wireless communication systems having high peak to average power ratios
RESEARCH IN MOTION LTD20 citations91
US7463872B2Dec 9, 2008
Methods and apparatus for controlling a gain state of a wireless receiver operating in an idle mode
RESEARCH IN MOTION LTD25 citations91
US7912463B2Mar 22, 2011
Method of using SNR to reduce factory test time
RESEARCH IN MOTION LTD10 citations80
US7308042B2Dec 11, 2007
Method and apparatus for optimizing transmitter power efficiency
RESEARCH IN MOTION LTD13 citations80
US7508888B2Mar 24, 2009
Method and apparatus for precise open loop tuning of reference frequency within a wireless device
RESEARCH IN MOTION LTD5 citations74
US7333784B2Feb 19, 2008
Method and apparatus for compensating code channel power in a transmitter
RESEARCH IN MOTION LTD8 citations74
US7542764B2Jun 2, 2009
Method of using SNR to reduce factory test time
RESEARCH IN MOTION LTD7 citations70
US7917143B2Mar 29, 2011
Method and apparatus for CDMA timer-based registration on a mobile device
RESEARCH IN MOTION LTD4 citations63
US7899419B2Mar 1, 2011
Method and apparatus for compensating code channel power in a transmitter
RESEARCH IN MOTION LTD1 citations63
US7283819B2Oct 16, 2007
Method and apparatus for CDMA timer-based registration on a mobile device
RESEARCH IN MOTION LTD3 citations63
US7853230B2Dec 14, 2010
Methods and apparatus for controlling a gain state of a wireless receiver operating in an idle mode
RESEARCH IN MOTION LTD2 citations61
US8626094B2Jan 7, 2014
Method and apparatus for compensating code channel power in a transmitter
RESEARCH IN MOTION LTD0 citations52
US8385862B2Feb 26, 2013
Method and apparatus for compensating code channel power in a transmitter
RESEARCH IN MOTION LTD0 citations52
CHAN WEN-YEN
4 patentsUS8290085B2Oct 16, 2012
Method and apparatus for improving power amplifier efficiency in wireless communication systems having high peak to average power ratios
CHAN WEN-YEN15 citations92
US8428181B2Apr 23, 2013
Method and apparatus for optimizing transmitter power efficiency
CHAN WEN-YEN9 citations84
US8670503B2Mar 11, 2014
Method and apparatus for improving power amplifier efficiency in wireless communication systems having high peak to average power ratios
CHAN WEN-YEN6 citations81
US8477878B2Jul 2, 2013
Method and apparatus for precise open loop tuning of reference frequency within a wireless device
CHAN WEN-YEN0 citations52
JIN XIN
3 patentsUS8571505B2Oct 29, 2013
Methods and apparatus for controlling a gain state of a wireless receiver operating in an idle mode
JIN XIN2 citations61
US8275335B2Sep 25, 2012
Methods and apparatus for controlling a gain state of a wireless receiver operating in an idle mode
JIN XIN2 citations61
US8116712B2Feb 14, 2012
Methods and apparatus for controlling a gain state of a wireless receiver operating in an idle mode
JIN XIN2 citations61