Inventor

Kwok Wai Cheung

Inventor
Hong Kong, CN

Overview

28→
Patents
1990–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 28 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H04Mprimary
H04MTelephonic communication18%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers12%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes9%
H04WWireless communication networks9%
H04HBroadcast communication8%
H04SStereophonic systems8%
H04NPictorial communication, e.g. television5%
B60NSeats specially adapted for vehicles4%
B64DEquipment for fitting in or to aircraft4%
G10LSpeech analysis techniques or speech synthesis4%
PatentTitleYear
10,708,727Method and apparatus to manage messaging providing different communication modes using one identifier and not requiring to disclose contact information202010,522,165Method and apparatus for ultrasonic directional sound applicable to vehicles201910,492,038Method and apparatus to manage messaging providing different communication modes depending on one identifier and not requiring to disclose contact information201910,142,810Method and apparatus to manage different options of communication using one user identifier based on internet protocol20189,994,127Comfortable seating arrangements with easy access20189,741,359'Hybrid audio delivery system and method therefor'20179,736,664'Systems and processes to manage multiple modes of communication'20179,204,268'Systems and processes to manage multiple modes of communication'20158,849,185'Hybrid audio delivery system and method therefor'20148,744,407'Systems and processes to manage multiple modes of communication'20148,678,311'Comfortable seating arrangements considering usage of space'20148,582,789'Hearing enhancement systems'20138,208,970'Directional communication systems'20128,170,110'Method and apparatus for zoom motion estimation'20127,801,570'Directional speaker for portable electronic device'20107,729,688'Systems and processes to manage multiple modes of communication'20107,587,227'Directional wireless communication systems'20097,574,728'System for delivering data over a network'20097,448,575'Comfortable seating arrangements with easy access'20087,388,962'Directional hearing enhancement systems'20087,269,452'Directional wireless communication systems'20077,200,669'Method and system for delivering large amounts of data with interactivity in an on-demand system'20077,174,384'Method for delivering large amounts of data with interactivity in an on-demand system'20075,361,262'Estimated-queue, expanded-bus communication network'19945,173,794'Wavelength division multiplexing using a tunable acousto-optic filter'19925,117,469'Polarization-dependent and polarization-diversified opto-electronic devices using a strained quantum well'19925,002,349'Integrated acousto-optic filters and switches'19914,906,064'Switch for selectively switching optical wavelengths'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–1994Patents assigned to BELL COMMUNICATIONS RES (5)· patent assignee history
1990–1992Based in Rockaway, NJ, US· patent location history
1992Based in Red Bank, NJ, US· patent location history
1994Based in Austin, TX, US· patent location history
2007–2020Patents assigned to IPVENTURE INC (17)· patent assignee history
2007–2018Based in Hong Kong, CN· patent location history
2010–2020Based in Tai Po, HK· patent location history
2012–2014Patents assigned to CHEUNG KWOK WAI (6)· patent assignee history
2012–2014Patents assigned to THOMAS C DOUGLASS (5)· patent assignee history
2012–2014Patents assigned to TONG PETER P (5)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
IPVENTURE INC172007–2020
CHEUNG KWOK WAIself62012–2014
BELL COMMUNICATIONS RES51990–1994
THOMAS C DOUGLASS52012–2014
TONG PETER P52012–2014
Locations
LocationPatentsSpan
Hong Kong, CN142007–2018
Tai Po, HK92010–2020
Rockaway, New Jersey, US31990–1992
Austin, Texas, US11994
Red Bank, New Jersey, US11992