Inventor
Qingzhong Jiao
Inventor
Nepean, CA
Overview
Patents· 30 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Wprimary
H04WWireless communication networks32%
H03GControl of amplification20%
H04BTransmission13%
H04LTransmission of digital information, e.g. telegraphic communication10%
H03FAmplifiers9%
Y02DClimate change mitigation technologies in information and communication technologies [ict], i.e. information and communication technologies aiming at the reduction of their own energy use7%
H03JTuning resonant circuits4%
H03LAutomatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses4%
PatentTitleYear
8,873,675'Method and apparatus for optimizing transmitter power efficiency'20148,670,503'Method and apparatus for improving power amplifier efficiency in wireless communication systems having high peak to average power ratios'20148,626,094'Method and apparatus for compensating code channel power in a transmitter'20148,571,505'Methods and apparatus for controlling a gain state of a wireless receiver operating in an idle mode'20138,477,878'Method and apparatus for precise open loop tuning of reference frequency within a wireless device'20138,428,181'Method and apparatus for optimizing transmitter power efficiency'20138,385,862'Method and apparatus for compensating code channel power in a transmitter'20138,295,403'Method and apparatus for precise open loop tuning of reference frequency within a wireless device'20128,290,085'Method and apparatus for improving power amplifier efficiency in wireless communication systems having high peak to average power ratios'20128,275,335'Methods and apparatus for controlling a gain state of a wireless receiver operating in an idle mode'20128,131,292'Method and apparatus for CDMA timer-based registration on a mobile device'20128,116,712'Methods and apparatus for controlling a gain state of a wireless receiver operating in an idle mode'20128,098,761'Method and apparatus for optimizing transmitter power efficiency'20128,090,331'Method and apparatus for compensating code channel power in a transmitter'20128,000,409'Method and apparatus for improving power amplifier efficiency in wireless communication systems having high peak to average power ratios'20118,000,656'Apparatus and methods for performing calibration of a mobile computing device'20117,917,143'Method and apparatus for CDMA timer-based registration on a mobile device'20117,912,463'Method of using SNR to reduce factory test time'20117,899,419'Method and apparatus for compensating code channel power in a transmitter'20117,852,968'Method and apparatus for optimizing transmitter power efficiency'20107,853,230'Methods and apparatus for controlling a gain state of a wireless receiver operating in an idle mode'20107,787,566'Method and apparatus for improving power amplifier efficiency in wireless communication systems having high peak to average power ratios'20107,551,689'Method and apparatus for improving power amplifier efficiency in wireless communication systems having high peak to average power ratios'20097,542,764'Method of using SNR to reduce factory test time'20097,508,888'Method and apparatus for precise open loop tuning of reference frequency within a wireless device'20097,463,872'Methods and apparatus for controlling a gain state of a wireless receiver operating in an idle mode'20087,333,784'Method and apparatus for compensating code channel power in a transmitter'20087,333,563'Method and apparatus for improving power amplifier efficiency in wireless communication systems having high peak to average power ratios'20087,308,042'Method and apparatus for optimizing transmitter power efficiency'20077,283,819'Method and apparatus for CDMA timer-based registration on a mobile device'2007Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2007–2014Patents assigned to RESEARCH IN MOTION LTD (26)· patent assignee history
2007–2014Based in Nepean, CA· patent location history
2010–2013Based in Ottawa, CA· patent location history
2011–2014Based in Fremont, CA, US· patent location history
2012–2014Patents assigned to JIAO QINGZHONG (12)· patent assignee history
2012–2014Patents assigned to JIN XIN (10)· patent assignee history
2012–2014Patents assigned to KHAN NASSERULLAH (5)· patent assignee history
2013–2014Patents assigned to BLACKBERRY LTD (4)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| RESEARCH IN MOTION LTD | 26 | 2007–2014 |
| JIAO QINGZHONGself | 12 | 2012–2014 |
| JIN XIN | 10 | 2012–2014 |
| KHAN NASSERULLAH | 5 | 2012–2014 |
| BLACKBERRY LTD | 4 | 2013–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Nepean, CA | 20 | 2007–2014 |
| Fremont, California, US | 5 | 2011–2014 |
| Ottawa, CA | 5 | 2010–2013 |