Jun Xu

Person

Waterloo, CA

People

Patents Grantslast 30 patents

Information Patent Grant
Systems and methods for transceiver coexistence filtering
- Patent number 11,349,505
- Issue date May 31, 2022
- Johnson Controls Tyco IP Holdings LLP
- James Thomas Kenning
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Systems and methods for transceiver coexistence filtering
- Patent number 10,911,074
- Issue date Feb 2, 2021
- Tyco Safety Products Canada Ltd.
- James Thomas Kenning
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
System and method for adjusting a power transmission level for a co...
- Patent number 9,992,753
- Issue date Jun 5, 2018
- BlackBerry Limited
- Lizhong Zhu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for managing communications for two networks in a...
- Patent number 9,749,878
- Issue date Aug 29, 2017
- BlackBerry Limited
- Lizhong Zhu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Device and method for forwarding voice calls received at the device...
- Patent number 9,622,057
- Issue date Apr 11, 2017
- BlackBerry Limited
- Kai Qu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Mitigating interference with wireless communications
- Patent number 9,538,436
- Issue date Jan 3, 2017
- BlackBerry Limited
- Lizhong Zhu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for beam forming and antenna tuning in a commu...
- Patent number 9,413,066
- Issue date Aug 9, 2016
- BlackBerry Limited
- Lizhong Zhu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for adjusting a power transmission level for a co...
- Patent number 9,307,505
- Issue date Apr 5, 2016
- BlackBerry Limited
- Lizhong Zhu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for controlling radio frequency transmissions fro...
- Patent number 8,723,598
- Issue date May 13, 2014
- BlackBerry Limited
- Lizhong Zhu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Mobile wireless communications device having a single bluetooth / w...
- Patent number 8,576,826
- Issue date Nov 5, 2013
- BlackBerry Limited
- Lizhong Zhu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for controlling radio frequency transmissions fro...
- Patent number 8,547,171
- Issue date Oct 1, 2013
- Research in Motion Limited
- Lizhong Zhu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
System and method for controlling radio frequency transmissions fro...
- Patent number 8,362,834
- Issue date Jan 29, 2013
- Research in Motion Limited
- Lizhong Zhu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
System and method for controlling radio frequency transmissions fro...
- Patent number 8,269,554
- Issue date Sep 18, 2012
- Research in Motion Limited
- Lizhong Zhu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
System and method for controlling radio frequency transmissions fro...
- Patent number 8,008,971
- Issue date Aug 30, 2011
- Research in Motion Limited
- Lizhong Zhu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Mobile wireless communications device with antenna contact having r...
- Patent number 7,932,864
- Issue date Apr 26, 2011
- Research in Motion Limited
- Lizhong Zhu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
System and method for controlling radio frequency transmissions fro...
- Patent number 7,724,084
- Issue date May 25, 2010
- Research in Motion Limited
- Lizhong Zhu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
SYSTEMS AND METHODS FOR TRANSCEIVER COEXISTENCE FILTERING
- Publication number 20210067179
- Publication date Mar 4, 2021
- Tyco Safety Products Canada Ltd.
- James Thomas KENNING
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
SYSTEMS AND METHODS FOR TRANSCEIVER COEXISTENCE FILTERING
- Publication number 20200366321
- Publication date Nov 19, 2020
- Tyco Safety Products Canada Ltd.
- James Thomas KENNING
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
SYSTEM AND METHOD FOR ADJUSTING A POWER TRANSMISSION LEVEL FOR A CO...
- Publication number 20160157187
- Publication date Jun 2, 2016
- BlackBerry Limited
- Lizhong ZHU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MITIGATING INTERFERENCE WITH WIRELESS COMMUNICATIONS
- Publication number 20160066225
- Publication date Mar 3, 2016
- BlackBerry Limited
- LIZHONG ZHU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SYSTEM AND METHOD FOR MANAGING COMMUNICATIONS FOR TWO NETWORKS IN A...
- Publication number 20150036514
- Publication date Feb 5, 2015
- BlackBerry Limited
- Lizhong Zhu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SYSTEM AND METHOD FOR ADJUSTING A POWER TRANSMISSION LEVEL FOR A CO...
- Publication number 20140274179
- Publication date Sep 18, 2014
- Research in Motion Limited
- Lizhong ZHU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MOBILE DEVICE WITH SELECTIVE WLAN RECEIVE GAIN LEVELS AND RELATED M...
- Publication number 20140024410
- Publication date Jan 23, 2014
- Research in Motion Limited
- Fei He
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND APPARATUS FOR BEAM FORMING AND ANTENNA TUNING IN A COMMU...
- Publication number 20140022125
- Publication date Jan 23, 2014
- Research in Motion Limited
- Lizhong Zhu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SYSTEM AND METHOD FOR CONTROLLING RADIO FREQUENCY TRANSMISSIONS FRO...
- Publication number 20130257528
- Publication date Oct 3, 2013
- Research In Motion Limited
- Lizhong ZHU
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
SYSTEM AND METHOD FOR CONTROLLING RADIO FREQUENCY TRANSMISSIONS FRO...
- Publication number 20130112467
- Publication date May 9, 2013
- Research in Motion Limited
- Lizhong ZHU
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
SYSTEM AND METHOD FOR CONTROLLING RADIO FREQUENCY TRANSMISSIONS FRO...
- Publication number 20120313699
- Publication date Dec 13, 2012
- Lizhong ZHU
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
MOBILE WIRELESS COMMUNICATIONS DEVICE HAVING A SINGLE BLUETOOTH / W...
- Publication number 20120106525
- Publication date May 3, 2012
- Ontario, Canada)
- Lizhong ZHU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SYSTEM AND METHOD FOR CONTROLLING RADIO FREQUENCY TRANSMISSIONS FRO...
- Publication number 20120007670
- Publication date Jan 12, 2012
- Research in Montion Limited
- Lizhong Zhu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
MOBILE WIRELESS COMMUNICATIONS DEVICE WITH ANTENNA CONTACT HAVING R...
- Publication number 20110163924
- Publication date Jul 7, 2011
- Research in Motion Limited
- Lizhong ZHU
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SYSTEM AND METHOD FOR CONTROLLING RADIO FREQUENCY TRANSMISSIONS FRO...
- Publication number 20100188145
- Publication date Jul 29, 2010
- Research In Motion Limited
- Lizhong Zhu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
MOBILE WIRELESS COMMUNICATIONS DEVICE WITH ANTENNA CONTACT HAVING R...
- Publication number 20100013718
- Publication date Jan 21, 2010
- Research in Motion Limited
- Lizhong ZHU
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SYSTEM AND METHOD FOR CONTROLLING RADIO FREQUENCY TRANSMISSIONS FRO...
- Publication number 20080180170
- Publication date Jul 31, 2008
- Research In Motion Limited
- Lizhong Zhu
- H03 - BASIC ELECTRONIC CIRCUITRY

Person

Patents Grantslast 30 patents

Systems and methods for transceiver coexistence filtering

Systems and methods for transceiver coexistence filtering

System and method for adjusting a power transmission level for a co...

System and method for managing communications for two networks in a...

Device and method for forwarding voice calls received at the device...

Mitigating interference with wireless communications

Method and apparatus for beam forming and antenna tuning in a commu...

System and method for adjusting a power transmission level for a co...

System and method for controlling radio frequency transmissions fro...

Mobile wireless communications device having a single bluetooth / w...

System and method for controlling radio frequency transmissions fro...

System and method for controlling radio frequency transmissions fro...

System and method for controlling radio frequency transmissions fro...

System and method for controlling radio frequency transmissions fro...

Mobile wireless communications device with antenna contact having r...

System and method for controlling radio frequency transmissions fro...

Patents Applicationslast 30 patents

SYSTEMS AND METHODS FOR TRANSCEIVER COEXISTENCE FILTERING

SYSTEMS AND METHODS FOR TRANSCEIVER COEXISTENCE FILTERING

SYSTEM AND METHOD FOR ADJUSTING A POWER TRANSMISSION LEVEL FOR A CO...

MITIGATING INTERFERENCE WITH WIRELESS COMMUNICATIONS

SYSTEM AND METHOD FOR MANAGING COMMUNICATIONS FOR TWO NETWORKS IN A...

SYSTEM AND METHOD FOR ADJUSTING A POWER TRANSMISSION LEVEL FOR A CO...

MOBILE DEVICE WITH SELECTIVE WLAN RECEIVE GAIN LEVELS AND RELATED M...

METHOD AND APPARATUS FOR BEAM FORMING AND ANTENNA TUNING IN A COMMU...

SYSTEM AND METHOD FOR CONTROLLING RADIO FREQUENCY TRANSMISSIONS FRO...

SYSTEM AND METHOD FOR CONTROLLING RADIO FREQUENCY TRANSMISSIONS FRO...

SYSTEM AND METHOD FOR CONTROLLING RADIO FREQUENCY TRANSMISSIONS FRO...

MOBILE WIRELESS COMMUNICATIONS DEVICE HAVING A SINGLE BLUETOOTH / W...

SYSTEM AND METHOD FOR CONTROLLING RADIO FREQUENCY TRANSMISSIONS FRO...

MOBILE WIRELESS COMMUNICATIONS DEVICE WITH ANTENNA CONTACT HAVING R...

SYSTEM AND METHOD FOR CONTROLLING RADIO FREQUENCY TRANSMISSIONS FRO...

MOBILE WIRELESS COMMUNICATIONS DEVICE WITH ANTENNA CONTACT HAVING R...

SYSTEM AND METHOD FOR CONTROLLING RADIO FREQUENCY TRANSMISSIONS FRO...