K.J. Ray Liu

Person

Potomac, MD, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method, apparatus, and system for correlation-based wireless monito...
- Patent number 12,044,790
- Issue date Jul 23, 2024
- ORIGIN RESEARCH WIRELESS, INC.
- Sai Deepika Regani
- G01 - MEASURING TESTING
Information Patent Grant
Data communication with embedded pilot information for timely chann...
- Patent number 7,848,443
- Issue date Dec 7, 2010
- University of Maryland
- Chaiyod Pirak
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Systems and methods for coding in broadband wireless communication...
- Patent number 7,720,168
- Issue date May 18, 2010
- University of Maryland
- Weifeng Su
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system for power controlled effective allocation of sub-...
- Patent number 7,653,122
- Issue date Jan 26, 2010
- University of Maryland
- Wipawee Siriwongpairat
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
WIRELESS SENSING IN NETWORK OF NETWORKS WITH CODED ADDRESSES TO IDE...
- Publication number 20250193052
- Publication date Jun 12, 2025
- Hung-Quoc Duc Lai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD, APPARATUS, AND SYSTEM FOR WIRELESS HUMAN AND NON-HUMAN MOTI...
- Publication number 20240125888
- Publication date Apr 18, 2024
- Guozhen Zhu
- G01 - MEASURING TESTING
Information Patent Application
METHOD, APPARATUS, AND SYSTEM FOR WIRELESS SENSING MEASUREMENT AND...
- Publication number 20240125915
- Publication date Apr 18, 2024
- Oscar Chi-Lim Au
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD, APPARATUS, AND SYSTEM FOR CORRELATION-BASED WIRELESS MONITO...
- Publication number 20230333201
- Publication date Oct 19, 2023
- Sai Deepika Regani
- G01 - MEASURING TESTING
Information Patent Application
METHOD, APPARATUS, AND SYSTEM FOR WIRELESS MONITORING WITH IMPROVED...
- Publication number 20230273291
- Publication date Aug 31, 2023
- Muhammed Zahid Ozturk
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD, APPARATUS, AND SYSTEM FOR VOICE ACTIVITY DETECTION BASED ON...
- Publication number 20230090763
- Publication date Mar 23, 2023
- Muhammed Zahid Ozturk
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD, APPARATUS, AND SYSTEM FOR IDENTIFYING AND QUALIFYING DEVICE...
- Publication number 20220303167
- Publication date Sep 22, 2022
- Beibei Wang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD, APPARATUS, AND SYSTEM FOR MOVEMENT TRACKING
- Publication number 20220026519
- Publication date Jan 27, 2022
- Chenshu Wu
- G01 - MEASURING TESTING
Information Patent Application
METHOD, APPARATUS, AND SYSTEM FOR HUMAN RECOGNITION BASED ON GAIT F...
- Publication number 20220026530
- Publication date Jan 27, 2022
- Chenshu Wu
- G01 - MEASURING TESTING
Information Patent Application
METHOD, APPARATUS, AND SYSTEM FOR WIRELESS MONITORING WITH FLEXIBLE...
- Publication number 20210136681
- Publication date May 6, 2021
- Chao-Lun Mai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD, APPARATUS, AND SYSTEM FOR AUTOMATIC AND ADAPTIVE WIRELESS M...
- Publication number 20200405223
- Publication date Dec 31, 2020
- Chao-Lun Mai
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
METHOD, APPARATUS, AND SYSTEM FOR WIRELESS SLEEP MONITORING
- Publication number 20200397365
- Publication date Dec 24, 2020
- Feng Zhang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
METHOD, APPARATUS, AND SYSTEM FOR PROCESSING AND PRESENTING LIFE LO...
- Publication number 20200366386
- Publication date Nov 19, 2020
- Dan Bugos
- G01 - MEASURING TESTING
Information Patent Application
METHOD, APPARATUS, AND SYSTEM FOR WIRELESS TRACKING WITH GRAPH-BASE...
- Publication number 20200271749
- Publication date Aug 27, 2020
- Origin Wireless, Inc.
- Chenshu WU
- G01 - MEASURING TESTING
Information Patent Application
METHOD, APPARATUS, SERVER AND SYSTEM FOR REAL-TIME VITAL SIGN DETEC...
- Publication number 20190178980
- Publication date Jun 13, 2019
- Origin Wireless, Inc.
- Feng Zhang
- G01 - MEASURING TESTING
Information Patent Application
METHOD, APPARATUS, SERVER AND SYSTEM FOR VITAL SIGN DETECTION AND M...
- Publication number 20190166030
- Publication date May 30, 2019
- Origin Wireless, Inc.
- Chen CHEN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
WIRELESS POSITIONING SYSTEMS
- Publication number 20170212210
- Publication date Jul 27, 2017
- Origin Wireless, Inc.
- Yan CHEN
- G01 - MEASURING TESTING
Information Patent Application
Method, Apparatus, Server, and Systems of Time-Reversal Technology
- Publication number 20170188359
- Publication date Jun 29, 2017
- Origin Wireless, Inc.
- K.J. Ray Liu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TIME-REVERSAL WIRELESS SYSTEMS HAVING ASYMMETRIC ARCHITECTURE
- Publication number 20160205569
- Publication date Jul 14, 2016
- ORIGIN WIRELESS, INC.
- Feng HAN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SYSTEMS AND METHODS FOR TIME-REVERSAL DIVISION MULTIPLE ACCESS WIRE...
- Publication number 20140185596
- Publication date Jul 3, 2014
- University Of Maryland At College Park
- Feng HAN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and system for power controlled effective allocation of sub-...
- Publication number 20070091983
- Publication date Apr 26, 2007
- Wipawee Siriwongpairat
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Data communication with embedded pilot information for timely chann...
- Publication number 20070014377
- Publication date Jan 18, 2007
- Chaiyod Pirak
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Systems and methods for coding in broadband wireless communication...
- Publication number 20060034383
- Publication date Feb 16, 2006
- Weifeng Su
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

K.J. Ray Liu

Person

Patents Grantslast 30 patents

Method, apparatus, and system for correlation-based wireless monito...

Data communication with embedded pilot information for timely chann...

Systems and methods for coding in broadband wireless communication...

Method and system for power controlled effective allocation of sub-...

Patents Applicationslast 30 patents

WIRELESS SENSING IN NETWORK OF NETWORKS WITH CODED ADDRESSES TO IDE...

METHOD, APPARATUS, AND SYSTEM FOR WIRELESS HUMAN AND NON-HUMAN MOTI...

METHOD, APPARATUS, AND SYSTEM FOR WIRELESS SENSING MEASUREMENT AND...

METHOD, APPARATUS, AND SYSTEM FOR CORRELATION-BASED WIRELESS MONITO...

METHOD, APPARATUS, AND SYSTEM FOR WIRELESS MONITORING WITH IMPROVED...

METHOD, APPARATUS, AND SYSTEM FOR VOICE ACTIVITY DETECTION BASED ON...

METHOD, APPARATUS, AND SYSTEM FOR IDENTIFYING AND QUALIFYING DEVICE...

METHOD, APPARATUS, AND SYSTEM FOR MOVEMENT TRACKING

METHOD, APPARATUS, AND SYSTEM FOR HUMAN RECOGNITION BASED ON GAIT F...

METHOD, APPARATUS, AND SYSTEM FOR WIRELESS MONITORING WITH FLEXIBLE...

METHOD, APPARATUS, AND SYSTEM FOR AUTOMATIC AND ADAPTIVE WIRELESS M...

METHOD, APPARATUS, AND SYSTEM FOR WIRELESS SLEEP MONITORING

METHOD, APPARATUS, AND SYSTEM FOR PROCESSING AND PRESENTING LIFE LO...

METHOD, APPARATUS, AND SYSTEM FOR WIRELESS TRACKING WITH GRAPH-BASE...

METHOD, APPARATUS, SERVER AND SYSTEM FOR REAL-TIME VITAL SIGN DETEC...

METHOD, APPARATUS, SERVER AND SYSTEM FOR VITAL SIGN DETECTION AND M...

WIRELESS POSITIONING SYSTEMS

Method, Apparatus, Server, and Systems of Time-Reversal Technology

TIME-REVERSAL WIRELESS SYSTEMS HAVING ASYMMETRIC ARCHITECTURE

SYSTEMS AND METHODS FOR TIME-REVERSAL DIVISION MULTIPLE ACCESS WIRE...

Method and system for power controlled effective allocation of sub-...

Data communication with embedded pilot information for timely chann...

Systems and methods for coding in broadband wireless communication...