loadpatents
name:-0.081753969192505
name:-0.069929122924805
name:-0.020970106124878
Liu; K. J. Ray Patent Filings

Liu; K. J. Ray

Patent Applications and Registrations

Patent applications and USPTO patent grants for Liu; K. J. Ray.The latest application filed is for "method, apparatus, and system for wireless sensing based on channel information".

Company Profile
26.73.101
  • Liu; K. J. Ray - Potomac MD
  • Liu; K. J. Ray - Silver Spring MD
*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.
Patent Activity
PatentDate
Method, Apparatus, And System For Wireless Sensing Based On Channel Information
App 20220308195 - Zeng; Xiaolu ;   et al.
2022-09-29
Method, Apparatus, And System For Identifying And Qualifying Devices For Wireless Sensing
App 20220303167 - Wang; Beibei ;   et al.
2022-09-22
Method, Apparatus, And System For Wireless Sensing Based On Linkwise Motion Statistics
App 20220299619 - Hu; Yuqian ;   et al.
2022-09-22
Method, apparatus, and system for human recognition based on gait features
Grant 11,448,727 - Ozturk , et al. September 20, 2
2022-09-20
Method, apparatus, and system for sound sensing based on wireless signals
Grant 11,448,728 - Ozturk , et al. September 20, 2
2022-09-20
Method, Apparatus, And System For Speech Enhancement And Separation Based On Audio And Radio Signals
App 20220291328 - Ozturk; Muhammed Zahid ;   et al.
2022-09-15
Method, apparatus, and system for processing and presenting life log based on a wireless signal
Grant 11,444,710 - Bugos , et al. September 13, 2
2022-09-13
Method, apparatus, and system for wireless sleep monitoring
Grant 11,439,344 - Zhang , et al. September 13, 2
2022-09-13
Method, apparatus, and system for vital signs monitoring using high frequency wireless signals
Grant 11,408,978 - Wang , et al. August 9, 2
2022-08-09
Method, apparatus, and system for outdoor target tracking
Grant 11,397,258 - Zeng , et al. July 26, 2
2022-07-26
Method, apparatus, and system for qualified wireless sensing
Grant 11,391,830 - Au , et al. July 19, 2
2022-07-19
Display screen or portion thereof with animated graphical user interface
Grant D956,070 - Mai , et al. June 28, 2
2022-06-28
Method, apparatus, and system for wireless vital monitoring using high frequency signals
Grant 11,340,328 - Wang , et al. May 24, 2
2022-05-24
Method, apparatus, and system for wireless object tracking
Grant 11,340,345 - Wu , et al. May 24, 2
2022-05-24
Method, Apparatus, And System For Automatic And Adaptive Wireless Monitoring And Tracking
App 20220096003 - Mai; Chao-Lun ;   et al.
2022-03-31
Method, Apparatus, And System For Positioning And Powering A Wireless Monitoring System
App 20220091225 - Mai; Chao-Lun ;   et al.
2022-03-24
Method, Apparatus, And System For Human Identification Based On Human Radio Biometric Information
App 20220091231 - Regani; Sai Deepika ;   et al.
2022-03-24
Method, Apparatus, And System For Human Recognition Based On Gait Features
App 20220026530 - Wu; Chenshu ;   et al.
2022-01-27
Method, Apparatus, And System For Sound Sensing Based On Wireless Signals
App 20220026531 - Wu; Chenshu ;   et al.
2022-01-27
Method, Apparatus, And System For Movement Tracking
App 20220026519 - Wu; Chenshu ;   et al.
2022-01-27
Method, apparatus, and system for providing automatic assistance based on wireless monitoring
Grant 11,202,215 - Marumo , et al. December 14, 2
2021-12-14
Method, apparatus, and system for wireless material sensing
Grant 11,181,486 - Wu , et al. November 23, 2
2021-11-23
Method, Apparatus, And System For Wireless Micro Motion Monitoring
App 20210311166 - Wu; Chenshu ;   et al.
2021-10-07
Method, Apparatus, And System For Wireless Monitoring To Ensure Security
App 20210311162 - Mai; Chao-Lun ;   et al.
2021-10-07
Method, Apparatus, And System For Wireless Vital Monitoring Using High Frequency Signals
App 20210247483 - Wang; Fengyu ;   et al.
2021-08-12
Method, Apparatus, And System For Wireless Writing Tracking
App 20210232235 - Regani; Sai Deepika ;   et al.
2021-07-29
Method, Apparatus, And System For Wireless Proximity Sensing
App 20210215789 - Hu; Yuqian ;   et al.
2021-07-15
Method, Apparatus, And System For Wirelessly Tracking Keystrokes
App 20210215788 - Hu; Yuqian ;   et al.
2021-07-15
Method, Apparatus, And System For Wireless Material Sensing
App 20210190702 - Wu; Chenshu ;   et al.
2021-06-24
Method, apparatus, and system for wireless proximity and presence monitoring
Grant 11,035,940 - Xu , et al. June 15, 2
2021-06-15
Method, Apparatus, And System For Fall-down Detection Based On A Wireless Signal
App 20210173045 - Hu; Yuqian ;   et al.
2021-06-10
Method, Apparatus, And System For Wireless Motion Recognition
App 20210173046 - Regani; Sai Deepika ;   et al.
2021-06-10
Method, apparatus, server, and systems of time-reversal technology
Grant 11,025,475 - Liu , et al. June 1, 2
2021-06-01
Method, Apparatus, And System For Providing Automatic Assistance Based On Wireless Monitoring
App 20210160709 - Marumo; Masato ;   et al.
2021-05-27
Methods, apparatus, servers, and systems for vital signs detection and monitoring
Grant 11,012,285 - Chen , et al. May 18, 2
2021-05-18
Method, Apparatus, And System For Wireless Monitoring With Flexible Power Supply
App 20210136681 - Mai; Chao-Lun ;   et al.
2021-05-06
Method, Apparatus, And System For Wireless Monitoring With Motion Localization
App 20210136515 - Zhang; Feng ;   et al.
2021-05-06
Method, Apparatus, And System For Accurate Wireless Monitoring
App 20210091866 - Zhang; Feng ;   et al.
2021-03-25
Method, Apparatus, And System For Positioning And Powering A Wireless Monitoring System
App 20200408875 - Mai; Chao-Lun ;   et al.
2020-12-31
Method, Apparatus, And System For Automatic And Adaptive Wireless Monitoring And Tracking
App 20200405223 - Mai; Chao-Lun ;   et al.
2020-12-31
Method, Apparatus, And System For Vehicle Wireless Monitoring
App 20200406860 - Mai; Chao-Lun ;   et al.
2020-12-31
Method, Apparatus, And System For Wireless Sleep Monitoring
App 20200397365 - Zhang; Feng ;   et al.
2020-12-24
Method, apparatus, and system for wireless inertial measurement
Grant 10,866,302 - Wu , et al. December 15, 2
2020-12-15
Method, apparatus, and system for wireless object scanning
Grant 10,845,463 - Zhang , et al. November 24, 2
2020-11-24
Method, Apparatus, And System For Processing And Presenting Life Log Based On A Wireless Signal
App 20200366386 - Bugos; Dan ;   et al.
2020-11-19
Methods, devices, servers, apparatus, and systems for wireless internet of things applications
Grant 10,833,912 - Au , et al. November 10, 2
2020-11-10
Method, Apparatus, And System For Improving Topology Of Wireless Sensing Systems
App 20200322868 - CLAFFEY; David N. ;   et al.
2020-10-08
Method, Apparatus, And System For Qualified Wireless Sensing
App 20200319324 - AU; Oscar Chi-Lim ;   et al.
2020-10-08
Method, Apparatus, And System For People Counting And Recognition Based On Rhythmic Motion Monitoring
App 20200302187 - WANG; Fengyu ;   et al.
2020-09-24
Method, Apparatus, And System For Vital Signs Monitoring Using High Frequency Wireless Signals
App 20200300972 - WANG; Fengyu ;   et al.
2020-09-24
Method, Apparatus, And System For Wireless Tracking With Graph-based Particle Filtering
App 20200271749 - WU; Chenshu ;   et al.
2020-08-27
Method, Apparatus, And System For Wireless Inertial Measurement
App 20200271747 - WU; Chenshu ;   et al.
2020-08-27
Method, apparatus, and system for object tracking sensing using broadcasting
Grant 10,742,475 - Lai , et al. A
2020-08-11
Method, apparatus, server and system for vital sign detection and monitoring
Grant 10,735,298 - Chen , et al.
2020-08-04
Method, Apparatus, And System For Wireless Gait Recognition
App 20200202117 - WU; Chenshu ;   et al.
2020-06-25
Method, Apparatus, And System For Wireless Object Tracking
App 20200191943 - WU; Chenshu ;   et al.
2020-06-18
Method, Apparatus, And System For Wireless Object Scanning
App 20200191913 - ZHANG; Feng ;   et al.
2020-06-18
Method, Apparatus, And System For Outdoor Target Tracking
App 20200182995 - ZENG; Xiaolu ;   et al.
2020-06-11
Time-reversal scalability for high network densification
Grant 10,609,711 - Ma , et al.
2020-03-31
Method, Apparatus, And System For Wireless Proximity And Presence Monitoring
App 20200064456 - Xu; Qinyi ;   et al.
2020-02-27
Method, Apparatus, And System For Human Identification Based On Human Radio Biometric Information
App 20200064444 - Regani; Sai Deepika ;   et al.
2020-02-27
Method, apparatus, server and system for real-time vital sign detection and monitoring
Grant 10,495,725 - Zhang , et al. De
2019-12-03
Methods, apparatus, servers, and systems for human identification based on human radio biometric information
Grant 10,476,730 - Xu , et al. Nov
2019-11-12
Method, Apparatus, And System For Object Tracking And Sensing Using Broadcasting
App 20190327124 - Lai; Hung-Quoc Duc ;   et al.
2019-10-24
Method, system, and apparatus for wireless power transmission based on power waveforming
Grant 10,447,094 - Ku , et al. Oc
2019-10-15
Method, apparatus, server, and systems of time-reversal technology
Grant 10,440,705 - Liu , et al. O
2019-10-08
Apparatus, systems and methods for fall-down detection based on a wireless signal
Grant 10,397,039 - Zhang , et al. A
2019-08-27
Method, apparatus, and systems for wireless event detection and monitoring
Grant 10,380,881 - Xu , et al. A
2019-08-13
Apparatus, systems and methods for event recognition based on a wireless signal
Grant 10,374,863 - Xu , et al.
2019-08-06
Time-reversal communication systems
Grant 10,327,213 - Han , et al.
2019-06-18
Method, Apparatus, Server And System For Real-time Vital Sign Detection And Monitoring
App 20190178980 - Zhang; Feng ;   et al.
2019-06-13
Method, Apparatus, Server And System For Vital Sign Detection And Monitoring
App 20190166030 - CHEN; Chen ;   et al.
2019-05-30
Apparatus, Systems And Methods For Fall-down Detection Based On A Wireless Signal
App 20190158340 - ZHANG; Feng ;   et al.
2019-05-23
Method, apparatus, and system for wireless motion monitoring
Grant 10,291,460 - Zhang , et al.
2019-05-14
Method, apparatus, and system for object tracking and navigation
Grant 10,270,642 - Zhang , et al.
2019-04-23
Apparatus, Systems And Methods For Event Recognition Based On A Wireless Signal
App 20190097865 - XU; Qinyi ;   et al.
2019-03-28
Methods, Apparatus, Servers, And Systems For Human Identification Based On Human Radio Biometric Information
App 20190028320 - XU; Qinyi ;   et al.
2019-01-24
Methods, Devices, Servers, Apparatus, And Systems For Wireless Internet Of Things Applications
App 20190020530 - AU; Oscar Chi-Lim ;   et al.
2019-01-17
Methods, Apparatus, Servers, And Systems For Vital Signs Detection And Monitoring
App 20190007256 - CHEN; Chen ;   et al.
2019-01-03
Wireless signals and techniques for determining locations of objects in multi-path environments
Grant 10,168,414 - Chen , et al. J
2019-01-01
Method, Apparatus, And Systems For Wireless Event Detection And Monitoring
App 20180365975 - Xu; Qinyi ;   et al.
2018-12-20
Method, Apparatus, And System For Wireless Motion Monitoring
App 20180351775 - Zhang; Feng ;   et al.
2018-12-06
Methods, devices, apparatus, and systems for medium access control in wireless communication systems utilizing spatial focusing effect
Grant 10,129,862 - Wu , et al. November 13, 2
2018-11-13
Systems and methods for time-reversal division multiple access wireless broadband communications
Grant 10,122,409 - Han , et al. November 6, 2
2018-11-06
Time-reversal technologies for hybrid wireless networks
Grant 10,014,982 - Chen , et al. July 3, 2
2018-07-03
Method, Apparatus, And System For Object Tracking And Navigation
App 20180183650 - ZHANG; Feng ;   et al.
2018-06-28
Time-reversal technologies for hybrid wireless networks
Grant 10,009,148 - Chen , et al. June 26, 2
2018-06-26
Method, Apparatus, Server, And Systems Of Time-reversal Technology
App 20180131554 - LIU; K. J. Ray ;   et al.
2018-05-10
Time-reversal wireless systems having asymmetric architecture
Grant 9,900,794 - Han , et al. February 20, 2
2018-02-20
Methods, devices and systems of heterogeneous time-reversal paradigm enabling direct connectivity in internet of things
Grant 9,887,864 - Han , et al. February 6, 2
2018-02-06
Waveform design for time-reversal systems
Grant 9,883,511 - Yang , et al. January 30, 2
2018-01-30
Time-reversal wireless systems having asymmetric architecture
Grant 9,882,675 - Han , et al. January 30, 2
2018-01-30
Method, System, And Apparatus For Wireless Power Transmission Based On Power Waveforming
App 20180026481 - KU; Meng-Lin ;   et al.
2018-01-25
Handshaking protocol for time-reversal system
Grant 9,825,838 - Ma , et al. November 21, 2
2017-11-21
Handshaking protocol for time-reversal system
Grant 9,794,156 - Ma , et al. October 17, 2
2017-10-17
Time-reversal wireless paradigm for internet of things
Grant 9,781,700 - Chen , et al. October 3, 2
2017-10-03
Quadrature amplitude modulation for time-reversal systems
Grant 9,736,002 - Yang , et al. August 15, 2
2017-08-15
Wireless Positioning Systems
App 20170212210 - CHEN; Yan ;   et al.
2017-07-27
Method, Apparatus, Server, and Systems of Time-Reversal Technology
App 20170188359 - Liu; K.J. Ray ;   et al.
2017-06-29
Joint waveform design and interference pre-cancellation for time-reversal systems
Grant 9,686,054 - Yang , et al. June 20, 2
2017-06-20
Multiuser time-reversal division multiple access uplink system with parallel interference cancellation
Grant 9,559,874 - Han , et al. January 31, 2
2017-01-31
Active sensing for dynamic spectrum access
Grant 9,538,040 - Goergen , et al. January 3, 2
2017-01-03
Quadrature Amplitude Modulation For Time-reversal Systems
App 20160315797 - Yang; Yu-Han ;   et al.
2016-10-27
Time-reversal Wireless Paradigm For Internet Of Things
App 20160316454 - Chen; Yan ;   et al.
2016-10-27
Quadrature amplitude modulation for time-reversal systems
Grant 9,407,306 - Yang , et al. August 2, 2
2016-08-02
Time-reversal wireless paradigm for internet of things
Grant 9,402,245 - Chen , et al. July 26, 2
2016-07-26
Time-reversal Wireless Systems Having Asymmetric Architecture
App 20160205569 - HAN; Feng ;   et al.
2016-07-14
Handshaking Protocol For Time-reversal System
App 20160164767 - Ma; Hang ;   et al.
2016-06-09
Handshaking Protocol For Time-reversal System
App 20160164669 - Ma; Hang ;   et al.
2016-06-09
Handshaking protocol for time-reversal system
Grant 9,313,020 - Ma , et al. April 12, 2
2016-04-12
Time-reversal Wireless Paradigm For Internet Of Things
App 20160081060 - Chen; Yan ;   et al.
2016-03-17
Wireless Positioning Systems
App 20160018508 - Chen; Yan ;   et al.
2016-01-21
Joint Waveform Design and Interference Pre-Cancellation for Time-Reversal Systems
App 20160021670 - Yang; Yu-Han ;   et al.
2016-01-21
Time-reversal wireless paradigm for internet of things
Grant 9,226,304 - Chen , et al. December 29, 2
2015-12-29
Quadrature Amplitude Modulation For Time-reversal Systems
App 20150312081 - Yang; Yu-Han ;   et al.
2015-10-29
Time-reversal Wireless Paradigm For Internet Of Things
App 20150257167 - Chen; Yan ;   et al.
2015-09-10
Handshaking Protocol For Time-reversal System
App 20150236848 - Ma; Hang ;   et al.
2015-08-20
Time-reversal Wireless Systems Having Asymmetric Architecture
App 20150049745 - Han; Feng ;   et al.
2015-02-19
Multiuser Time-reversal Division Multiple Access Uplink System With Parallel Interference Cancellation
App 20150049792 - Han; Feng ;   et al.
2015-02-19
Systems And Methods For Time-reversal Division Multiple Access Wireless Broadband Communications
App 20140185596 - HAN; Feng ;   et al.
2014-07-03
Active Sensing For Dynamic Spectrum Access
App 20130159722 - GOERGEN; Nathan ;   et al.
2013-06-20
Data communication with embedded pilot information for timely channel estimation
Grant 7,848,443 - Pirak , et al. December 7, 2
2010-12-07
Systems and methods for coding in broadband wireless communication systems to achieve maximum diversity in space, time and frequency
Grant 7,720,168 - Su , et al. May 18, 2
2010-05-18
Method and system for power controlled effective allocation of sub-bands in ultra-wideband communication
Grant 7,653,122 - Siriwongpairat , et al. January 26, 2
2010-01-26
Method and system for power controlled effective allocation of sub-bands in ultra-wideband communication
App 20070091983 - Siriwongpairat; Wipawee ;   et al.
2007-04-26
Data communication with embedded pilot information for timely channel estimation
App 20070014377 - Pirak; Chaiyod ;   et al.
2007-01-18
Systems and methods for coding in broadband wireless communication systems to achieve maximum diversity in space, time and frequency
App 20060034383 - Su; Weifeng ;   et al.
2006-02-16
Combined power control and space-time diversity in mobile cellular communications
Grant 6,377,812 - Rashid-Farrokhi , et al. April 23, 2
2002-04-23
Method and apparatus for processing data from a tomographic imaging system
Grant 5,953,388 - Walnut , et al. September 14, 1
1999-09-14
DCT-based motion estimation method
Grant 5,790,686 - Koc , et al. August 4, 1
1998-08-04
Optimal unified architectures for the real-time computation of time-recursive discrete sinusoidal transforms
Grant 5,339,265 - Liu , et al. August 16, 1
1994-08-16

uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.

While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.

All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.

© 2024 USPTO.report | Privacy Policy | Resources | RSS Feed of Trademarks | Trademark Filings Twitter Feed