For the Inventor, By the Inventor

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Hong Kong, China

Vtech Telecommunications Limited

USPTO Granted Patents = 92

% Expired Patents = 25.0

CIPO Patents = 2

EPO Patents = 2

Forward Citations = 1,360

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83 inventors (with patents filed for the assignee):

Sukhdeep Singh Hundal (19 out of 50 patents)

Ralph Tischler (12 out of 16 patents)

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

92 patents: Sort by Forward Citations

1. 12757092 - Systems and methods for performing roaming and handover load balancing in a multicell network (2026-10-06),

2. 12739325 - Systems and methods for emulating a shared line system in a multicell network (2026-09-15),

3. 12399878 - Systems and methods for managing file transfers and updates in a multicell network (2025-08-26),

4. 12108309 - Wireless communications system and method (2024-10-01),

5. 11758089 - Video communications apparatus and method (2023-09-12),

6. 9548842 - System and method of enhancing WiFi real-time communications (2017-01-17),

7. 9503583 - Peer-to-peer, internet protocol telephone system with proxy interface for configuration data (2016-11-22),

8. 9503233 - System and method of enhancing WiFi real-time communications (2016-11-22),

9. 9374473 - Peer-to-peer, internet protocol telephone system with auto-attendant (2016-06-21),

10. 9369246 - System and method of enhancing WiFi real-time communications (2016-06-14),

11. 9313310 - System and method for adjusting hands-free phone (2016-04-12),

12. 9294516 - Peer-to-peer internet protocol telephone system with system-wide configuration data (2016-03-22),

13. 9270710 - Peer-to-peer, internet protocol telephone system with proxy interface for configuration data (2016-02-23),

14. 9225486 - System and method of enhancing WiFi real-time communications (2015-12-29),

15. 9203957 - Method and system for telephone message management (2015-12-01),

Company Overview

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 synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

92 Patents

#36 in Hong Kong

#366 in China

#8,392 in the World

Hong Kong, China

Vtech Telecommunications Limited

Forward Citations = 1,360

83 inventors:

Sukhdeep Singh Hundal (19 out of 50 patents)

Ralph Tischler (12 out of 16 patents)

Holger Janssen (10 out of 12 patents)

4. Gary Rogalski (10 out of 11 patents)

5. Christopher Rose (7 out of 8 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Vtech Telecommunications Limited. Retrieved from https://idiyas.com/company/vtech-telecommunications

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

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