Membership
Tour
Register
Log in
Changhoi Koo
Follow
Person
Plano, TX, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Methods and devices for performing proximity discovery
Patent number
10,645,680
Issue date
May 5, 2020
BlackBerry Limited
Zhijun Cai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Controlling data offload in response to feedback information
Patent number
10,321,359
Issue date
Jun 11, 2019
BlackBerry Limited
Shiwei Gao
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Enhanced in-device coexistence interference avoidance using predete...
Patent number
10,314,062
Issue date
Jun 4, 2019
BlackBerry Limited
Changhoi Koo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for avoiding in-device coexistence interferenc...
Patent number
10,200,980
Issue date
Feb 5, 2019
BlackBerry Limited
Changhoi Koo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for proximity discovery for device-to-device c...
Patent number
10,021,555
Issue date
Jul 10, 2018
BlackBerry Limited
Joon Beom Kim
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for avoiding in-device coexistence interference
Patent number
9,900,895
Issue date
Feb 20, 2018
BlackBerry Limited
Changhoi Koo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for avoiding in-device coexistence interferenc...
Patent number
9,717,075
Issue date
Jul 25, 2017
BlackBerry Limited
Changhoi Koo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Controlling data offload in response to feedback information
Patent number
9,629,025
Issue date
Apr 18, 2017
BlackBerry Limited
Shiwei Gao
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Systems and methods for initiating device-to-device communication i...
Patent number
9,629,191
Issue date
Apr 18, 2017
BlackBerry Limited
Changhoi Koo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Temporary identifiers and expiration values for discoverable user e...
Patent number
9,591,430
Issue date
Mar 7, 2017
BlackBerry Limited
Changhoi Koo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Methods and devices for performing proximity discovery
Patent number
9,549,394
Issue date
Jan 17, 2017
BlackBerry Limited
Joon Beom Kim
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Access procedures for in-device coexistence interference avoidance
Patent number
9,419,740
Issue date
Aug 16, 2016
BlackBerry Limited
Changhoi Koo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Random access channel procedures for in-device coexistence interfer...
Patent number
9,240,846
Issue date
Jan 19, 2016
BlackBerry Limited
Changhoi Koo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for proximity discovery for device-to-device c...
Patent number
9,210,562
Issue date
Dec 8, 2015
BlackBerry Limited
Joon Beom Kim
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Resource block indication and allocation for in-device coexistence...
Patent number
9,173,174
Issue date
Oct 27, 2015
BlackBerry Limited
Changhoi Koo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communicating an indication relating to in-device coexistence inter...
Patent number
9,161,278
Issue date
Oct 13, 2015
BlackBerry Limited
Changhoi Koo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for avoiding in-device coexistence interference
Patent number
9,161,343
Issue date
Oct 13, 2015
BlackBerry Limited
Changhoi Koo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Physical layer feedback for in-device coexistence interference miti...
Patent number
9,100,969
Issue date
Aug 4, 2015
BlackBerry Limited
JoonBeom Kim
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Enhanced in-device coexistence interference avoidance using predete...
Patent number
9,060,280
Issue date
Jun 16, 2015
BlackBerry Limited
Changhoi C. Koo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for avoiding in-device coexistence interference
Patent number
9,055,497
Issue date
Jun 9, 2015
BlackBerry Limited
Changhoi Koo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Synchronous spectrum sharing by dedicated networks using OFDM/OFDMA...
Patent number
8,891,455
Issue date
Nov 18, 2014
Samsung Electronics Co., Ltd.
Joseph R. Cleveland
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Handling in-device coexistence interference
Patent number
8,849,293
Issue date
Sep 30, 2014
BlackBerry Limited
Changhoi Koo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Enhancement of in-device coexistence interference avoidance
Patent number
8,842,602
Issue date
Sep 23, 2014
BlackBerry Limited
Changhoi C. Koo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for avoiding in-device coexistence interferenc...
Patent number
8,831,611
Issue date
Sep 9, 2014
BlackBerry Limited
Changhoi Koo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for avoiding in-device coexistence interferenc...
Patent number
8,805,303
Issue date
Aug 12, 2014
BlackBerry Limited
Changhoi Koo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
System and method for multiple relay node operation in a communicat...
Patent number
8,750,195
Issue date
Jun 10, 2014
FutureWei Technologies, Inc.
Changhoi Koo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for interference identification on configurati...
Patent number
8,547,867
Issue date
Oct 1, 2013
Research in Motion Limited
Changhoi Koo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Synchronous spectrum sharing by dedicated networks using OFDM/OFDMA...
Patent number
8,391,217
Issue date
Mar 5, 2013
Samsung Electronics Co., Ltd.
Joseph R. Cleveland
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Channel configuration and bandwidth allocation in multi-hop cellula...
Patent number
8,391,254
Issue date
Mar 5, 2013
Samsung Electronics Co., Ltd.
Changhoi Koo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Flexible sleep mode for advanced wireless systems
Patent number
8,289,891
Issue date
Oct 16, 2012
Samsung Electronics Co., Ltd.
Baowei Ji
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
Method and Apparatus for Avoiding In-Device Coexistence Interferenc...
Publication number
20170311312
Publication date
Oct 26, 2017
BlackBerry Limited
Changhoi Koo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
CONTROLLING DATA OFFLOAD IN RESPONSE TO FEEDBACK INFORMATION
Publication number
20170181035
Publication date
Jun 22, 2017
BlackBerry Limited
Shiwei Gao
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Methods and Devices for Performing Proximity Discovery
Publication number
20170118749
Publication date
Apr 27, 2017
BlackBerry Limited
Zhijun Cai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND APPARATUS FOR PROXIMITY DISCOVERY FOR DEVICE-TO-DEVICE C...
Publication number
20160066174
Publication date
Mar 3, 2016
BlackBerry Limited
Joon Beom KIM
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PERFORMING RANDOM ACCESS IN CARRIER AGGREGATION
Publication number
20150296542
Publication date
Oct 15, 2015
BLACKBERRY LIMITED
Youn Hyoung Heo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Enhanced In-device Coexistence Interference Avoidance Using Predete...
Publication number
20150282201
Publication date
Oct 1, 2015
BlackBerry Limited
Changhoi Koo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHODS AND DEVICES FOR PERFORMING PROXIMITY DISCOVERY
Publication number
20150249979
Publication date
Sep 3, 2015
BlackBerry Limited
Joon Beom KIM
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SYSTEMS AND METHODS FOR INITIATING DEVICE-TO-DEVICE COMMUNICATION I...
Publication number
20150131540
Publication date
May 14, 2015
BlackBerry Limited
Changhoi KOO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Temporary Identifiers and Expiration Values for Discoverable User E...
Publication number
20150079906
Publication date
Mar 19, 2015
BlackBerry Limited
Changhoi KOO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
CONTROLLING DATA OFFLOAD IN RESPONSE TO FEEDBACK INFORMATION
Publication number
20140328182
Publication date
Nov 6, 2014
Research in Motion Limited
Shiwei Gao
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
COMMUNICATING AN INDICATION RELATING TO IN-DEVICE COEXISTENCE INTER...
Publication number
20140301361
Publication date
Oct 9, 2014
Changhoi Koo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND APPARATUS FOR PROXIMITY DISCOVERY FOR DEVICE-TO-DEVICE C...
Publication number
20140302784
Publication date
Oct 9, 2014
Research in Motion Limited
Joon Beom Kim
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method and Apparatus for Avoiding In-Device Coexistence Interferenc...
Publication number
20140287771
Publication date
Sep 25, 2014
Changhoi Koo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WAITING TIME PARAMETER FOR IN-DEVICE COEXISTENCE INTERFERENCE SOLUTION
Publication number
20140198672
Publication date
Jul 17, 2014
Research in Motion Limited
Changhoi Koo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
COMMUNICATING IN-DEVICE COEXISTENCE INTERFERENCE ASSISTANCE INFORMA...
Publication number
20140141825
Publication date
May 22, 2014
Research in Motion Limited
Changhoi Koo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
COMMUNICATING INFORMATION RELATING TO IN-DEVICE COEXISTENCE INTERFE...
Publication number
20140141824
Publication date
May 22, 2014
Research in Motion Limited
Joon Beom Kim
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Resource Block Indication and Allocation for In-Device Coexistence...
Publication number
20140071904
Publication date
Mar 13, 2014
Changhoi Koo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
HANDLING IN-DEVICE COEXISTENCE INTERFERENCE
Publication number
20140038621
Publication date
Feb 6, 2014
Changhoi Koo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
HANDLING IN-DEVICE COEXISTENCE INTERFERENCE
Publication number
20140036745
Publication date
Feb 6, 2014
Changhoi Koo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method and Apparatus for Avoiding In-Device Coexistence Interference
Publication number
20140031036
Publication date
Jan 30, 2014
Research In Motion Limited
Changhoi Koo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method and Apparatus for Avoiding In-Device Coexistence Interference
Publication number
20130242919
Publication date
Sep 19, 2013
Research In Motion Limited
Changhoi Koo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PHYSICAL LAYER FEEDBACK FOR IN-DEVICE COEXISTENCE INTERFERENCE MITI...
Publication number
20130242860
Publication date
Sep 19, 2013
JoonBeom Kim
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method and Apparatus for Avoiding In-Device Coexistence Interference
Publication number
20130223391
Publication date
Aug 29, 2013
Research In Motion Limited
Changhoi Koo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Access Procedures for In-Device Coexistence Interference Avoidance
Publication number
20130114515
Publication date
May 9, 2013
Changhoi Koo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Random Access Channel Procedures for In-Device Coexistence Interfer...
Publication number
20130114516
Publication date
May 9, 2013
Changhoi Koo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method and Apparatus for Interference Identification on Configurati...
Publication number
20120213116
Publication date
Aug 23, 2012
Changhoi Koo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method and Apparatus for Avoiding In-Device Coexistence Interferenc...
Publication number
20120213162
Publication date
Aug 23, 2012
Changhoi Koo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method and Apparatus for Avoiding In-Device Coexistence Interferenc...
Publication number
20120214489
Publication date
Aug 23, 2012
CHANGHOI KOO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
System and Method for Multiple Relay Node Operation in a Communicat...
Publication number
20100315957
Publication date
Dec 16, 2010
FutureWei Technologies, Inc.
Changhoi Koo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
System and Method for Handovers in a Multi-Carrier Wireless Communi...
Publication number
20100284367
Publication date
Nov 11, 2010
FutureWei Technologies, Inc.
Changhoi Koo
H04 - ELECTRIC COMMUNICATION TECHNIQUE