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Hong Kong, China

Vtech Communications Limited

USPTO Granted Patents = 63

CIPO Patents = 5

Trademarks = 19

Forward Citations = 986

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57 inventors (with patents filed for the assignee):

Wong F Shan (7 out of 7 patents)

Pang C Kong (7 out of 7 patents)

Joseph Chan (6 out of 6 patents)

4. Ho C Wah (6 out of 6 patents)

5. Milosh Koprivica (4 out of 10 patents)

6. Sarkis Teghararian (4 out of 4 patents)

7. Ralph Tischler (4 out of 15 patents)

8. Chris J Goodings (4 out of 5 patents)

9. Dion Michael Horvat (4 out of 4 patents)

10. Stephen Paul Hughes (4 out of 7 patents)

11. Sukhdeep Singh Hundal (3 out of 50 patents)

12. Nicholas James Mival (3 out of 6 patents)

13. Michael William Dormer (3 out of 6 patents)

14. Dion Calvin Michael Horvat (3 out of 3 patents)

15. Florin Gheorghe Jelea (3 out of 3 patents)

Core Competencies:

Wireless Communications

Caller ID Adjustment

Digital Audio Transmission

Telephone Call Fraud Detection

Frequency Hopping Strategy

Cordless Telephone Technology

Error Detection in Communications

Touch Screen Overlay

Phase-Locked Loop Control

Data Framing Format

Sidetone Level Reduction

Intercom Communication

63 patents: Sort by Forward Citations

1. 8531998 - Communications apparatus and method to avoid interference (2013-09-10),

2. 8213595 - System and method to adjust caller ID information (2012-07-03),

3. 7990933 - Method for avoiding interference in a digital communication system (2011-08-02),

4. 7266141 - Hybrid frame structure for wireless communications (2007-09-04),

5. 7136929 - Broadcast in a wireless communications system (2006-11-14),

6. 7120190 - Low power RC clocking system for wireless communications (2006-10-10),

7. 7103030 - Adaptive frequency hopping strategy (2006-09-05),

8. 7027424 - Method for avoiding interference in a digital communication system (2006-04-11),

9. 7020119 - Method and apparatus for digital audio transmission (2006-03-28),

10. 6944284 - Pulsed volume control of a magnetic ringer (2005-09-13),

11. 6914968 - Method and apparatus for telephone call fraud detection and prevention (2005-07-05),

12. 6914946 - Digitally-implemented demodulator (2005-07-05),

13. 6912260 - System clock synchronization using phase-locked loop (2005-06-28),

14. 6856817 - Cordless telephone headset with dialcard display (2005-02-15),

15. 6839051 - Two-axis cursor control apparatus (2005-01-04),

VTech Communications Limited is a leading global provider of electronic learning products and telecommunications equipment. With a diverse product portfolio ranging from cordless phones to baby monitors and educational toys, VTech is dedicated to delivering innovative and high-quality solutions for consumers worldwide.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

63 Patents

#47 in Hong Kong

#461 in China

#11,205 in the World

Hong Kong, China

Vtech Communications Limited

Forward Citations = 986

57 inventors:

Wong F Shan (7 out of 7 patents)

Pang C Kong (7 out of 7 patents)

Joseph Chan (6 out of 6 patents)

4. Ho C Wah (6 out of 6 patents)

5. Milosh Koprivica (4 out of 10 patents)

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