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For the Inventor, By the Inventor

Hong Kong, China

Vtech Telecommunications Limited


USPTO Granted Patents = 91

% Expired Patents = 25.3



Forward Citations = 1,360

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83 inventors (with patents filed for the assignee):

goldMedal Sukhdeep Singh Hundal (19 out of 50 patents)

silverMedal Ralph Tischler (11 out of 15 patents)

bronzeMedal Holger Janssen (10 out of 12 patents)

4.  Gary Rogalski (10 out of 11 patents)

5.  Christopher Rose (7 out of 8 patents)

6.  Bennett Cheng (6 out of 7 patents)

7.  Milosh Koprivica (6 out of 10 patents)

8.  Gordon Ryley (6 out of 7 patents)

9.  Gary Louie (6 out of 6 patents)

10.  Gerry Knopp (5 out of 5 patents)

11.  Jen T'ai Chitty (4 out of 7 patents)

12.  Daniel Roodnick (4 out of 5 patents)

13.  James Dury (4 out of 4 patents)

14.  Kenny Che (4 out of 4 patents)

15.  Douglas Charney (4 out of 4 patents)


Core Competencies:
Wireless Communications
Peer-to-Peer Telephony
WiFi Enhancements
Cordless Systems
Audio Exchange
Remote Access
Video Monitoring
Hands-Free Operation
Data Transfer
Interoperability
Caller ID
Infrared Sensors

91 patents:

1. 12739325 - Systems and methods for emulating a shared line system in a multicell network (2026-09-15),
2. 12399878 - Systems and methods for managing file transfers and updates in a multicell network (2025-08-26),
3. 12108309 - Wireless communications system and method (2024-10-01),
4. 11758089 - Video communications apparatus and method (2023-09-12),
5. 9548842 - System and method of enhancing WiFi real-time communications (2017-01-17),
6. 9503583 - Peer-to-peer, internet protocol telephone system with proxy interface for configuration data (2016-11-22),
7. 9503233 - System and method of enhancing WiFi real-time communications (2016-11-22),
8. 9374473 - Peer-to-peer, internet protocol telephone system with auto-attendant (2016-06-21),
9. 9369246 - System and method of enhancing WiFi real-time communications (2016-06-14),
10. 9313310 - System and method for adjusting hands-free phone (2016-04-12),
11. 9294516 - Peer-to-peer internet protocol telephone system with system-wide configuration data (2016-03-22),
12. 9270710 - Peer-to-peer, internet protocol telephone system with proxy interface for configuration data (2016-02-23),
13. 9225486 - System and method of enhancing WiFi real-time communications (2015-12-29),
14. 9203957 - Method and system for telephone message management (2015-12-01),
15. 9154933 - Cordless phone system with integrated alarm and remote monitoring capability (2015-10-06),
Vtech Telecommunications Limited, headquartered in Hong Kong, specializes in wireless communications technology, focusing on innovative solutions in peer-to-peer telephony and cordless systems. The company is recognized for its advancements in WiFi enhancements, audio exchange, and remote access technologies, catering to both consumer and business markets. Vtech also develops video monitoring systems and hands-free operation devices, positioning itself as a leader in the telecommunications sector with a commitment to enhancing connectivity and communication experiences.
Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

Vtech Telecommunications Limited
91 Patents

#37 in Hong Kong

#365 in China

#8,429 in the World

Hong Kong, CN
Hong Kong, China

Vtech Telecommunications Limited

Forward Citations = 1,360

83 inventors:

goldMedal Sukhdeep Singh Hundal (19 out of 50 patents)

silverMedal Ralph Tischler (11 out of 15 patents)

bronzeMedal Holger Janssen (10 out of 12 patents)

4.  Gary Rogalski (10 out of 11 patents)

5.  Christopher Rose (7 out of 8 patents)

Please report any incorrect information to [email protected]
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