Inventor
CHEUNG KWOK WAI
GB37 patents
⚠️ This page may combine multiple inventors who share the name “CHEUNG KWOK WAI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IPVENTURE INC
21 patentsUS7801570B2Sep 21, 2010
Directional speaker for portable electronic device
IPVENTURE INC57 citations98
US7729688B2Jun 1, 2010
Systems and processes to manage multiple modes of communication
IPVENTURE INC29 citations96
US7388962B2Jun 17, 2008
Directional hearing enhancement systems
IPVENTURE INC33 citations96
US7269452B2Sep 11, 2007
Directional wireless communication systems
IPVENTURE INC44 citations96
US10937439B2Mar 2, 2021
Method and apparatus for directional sound applicable to vehicles
IPVENTURE INC9 citations94
US9741359B2Aug 22, 2017
Hybrid audio delivery system and method therefor
IPVENTURE INC9 citations93
US9204268B2Dec 1, 2015
Systems and processes to manage multiple modes of communication
IPVENTURE INC9 citations93
US7587227B2Sep 8, 2009
Directional wireless communication systems
IPVENTURE INC24 citations93
US11257508B2Feb 22, 2022
Method and apparatus for directional sound
IPVENTURE INC6 citations86
US11488618B2Nov 1, 2022
Hearing enhancement methods and systems
IPVENTURE INC4 citations84
US10708727B2Jul 7, 2020
Method and apparatus to manage messaging providing different communication modes using one identifier and not requiring to disclose contact information
IPVENTURE INC4 citations84
US10522165B2Dec 31, 2019
Method and apparatus for ultrasonic directional sound applicable to vehicles
IPVENTURE INC7 citations84
US10492038B2Nov 26, 2019
Method and apparatus to manage messaging providing different communication modes depending on one identifier and not requiring to disclose contact information
IPVENTURE INC6 citations84
US10142810B2Nov 27, 2018
Method and apparatus to manage different options of communication using one user identifier based on internet protocol
IPVENTURE INC7 citations84
US9994127B2Jun 12, 2018
Comfortable seating arrangements with easy access
IPVENTURE INC5 citations84
US9736664B2Aug 15, 2017
Systems and processes to manage multiple modes of communication
IPVENTURE INC7 citations84
US11800329B2Oct 24, 2023
Method and apparatus to manage communication
IPVENTURE INC1 citations73
US11670320B2Jun 6, 2023
Method and apparatus for directional sound
IPVENTURE INC1 citations73
US11657827B2May 23, 2023
Hearing enhancement methods and systems
IPVENTURE INC1 citations73
US11869526B2Jan 9, 2024
Hearing enhancement methods and systems
IPVENTURE INC0 citations63
US11273730B2Mar 15, 2022
Comfortable seating arrangements with easy access
IPVENTURE INC0 citations63
CHEUNG KWOK WAI
5 patentsUS8849185B2Sep 30, 2014
Hybrid audio delivery system and method therefor
CHEUNG KWOK WAI45 citations98
US8582789B2Nov 12, 2013
Hearing enhancement systems
CHEUNG KWOK WAI47 citations98
US8208970B2Jun 26, 2012
Directional communication systems
CHEUNG KWOK WAI31 citations96
US8744407B2Jun 3, 2014
Systems and processes to manage multiple modes of communication
CHEUNG KWOK WAI18 citations92
US8678311B2Mar 25, 2014
Comfortable seating arrangements considering usage of space
CHEUNG KWOK WAI18 citations92
BELL COMMUNICATIONS RES
5 patentsUS5117469AMay 26, 1992
Polarization-dependent and polarization-diversified opto-electronic devices using a strained quantum well
BELL COMMUNICATIONS RES128 citations98
US5002349AMar 26, 1991
Integrated acousto-optic filters and switches
BELL COMMUNICATIONS RES81 citations96
US5173794ADec 22, 1992
Wavelength division multiplexing using a tunable acousto-optic filter
BELL COMMUNICATIONS RES62 citations94
US5361262ANov 1, 1994
Estimated-queue, expanded-bus communication network
BELL COMMUNICATIONS RES23 citations92
US4906064AMar 6, 1990
Switch for selectively switching optical wavelengths
BELL COMMUNICATIONS RES30 citations92
DINASTECH IPR LTD
3 patentsUS7200669B2Apr 3, 2007
Method and system for delivering large amounts of data with interactivity in an on-demand system
DINASTECH IPR LTD20 citations88
US7174384B2Feb 6, 2007
Method for delivering large amounts of data with interactivity in an on-demand system
DINASTECH IPR LTD43 citations88
US7574728B2Aug 11, 2009
System for delivering data over a network
DINASTECH IPR LTD4 citations58