For the Inventor, By the Inventor

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Wheeling, IL, United States of America

Vtech Industries, Inc.

USPTO Granted Patents = 30

Trademarks = 1

Forward Citations = 425

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28 inventors (with patents filed for the assignee):

Chi K Chow (6 out of 7 patents)

Frederick L Tsang (5 out of 7 patents)

Ka-Wah Chow (4 out of 4 patents)

4. Pui-Chung Lau (3 out of 3 patents)

5. Chung P Lau (3 out of 3 patents)

6. Kwok K Fung (2 out of 2 patents)

7. Terence T Poon (2 out of 2 patents)

8. Thomas E Ludwig (1 out of 8 patents)

9. Viljo K Valavaara (1 out of 11 patents)

10. Richard B Mazursky (1 out of 8 patents)

11. David M Waskin (1 out of 1 patent)

12. Steven N Taylor (1 out of 1 patent)

13. Ip-Sing Au (1 out of 1 patent)

14. Pak Nam Yeung (1 out of 1 patent)

15. Ivy W Yiu (1 out of 2 patents)

30 patents: Sort by Forward Citations

1. D407748 - Electronic educational game housing (1999-04-06),

2. D402647 - Keyboard housing (1998-12-15),

3. D388120 - Electronic educational game housing (1997-12-23),

4. D387814 - Infant activity gymnasium unit (1997-12-16),

5. 5696791 - Apparatus and method for decoding a sequence of digitally encoded data (1997-12-09),

6. D381685 - Electronic educational game housing (1997-07-29),

7. D380231 - Electronic educational game housing (1997-06-24),

8. D374691 - Infant activity gymnasium unit (1996-10-15),

9. D369831 - Electronic educational game housing (1996-05-14),

10. D366499 - Housing for an electronic educational game (1996-01-23),

11. 5478268 - Electronic educational toy apparatus (1995-12-26),

12. D363511 - Housing for electronic drawing toy (1995-10-24),

13. 5455912 - High speed/low overhead bus arbitration apparatus and method for (1995-10-03),

14. D360224 - Housing for an electronic instructional game apparatus (1995-07-11),

15. D358421 - Electronic educational activity toy (1995-05-16),

Vtech Industries, Inc. is a leading manufacturer of innovative electronic toys and communication devices for children. With a focus on educational and interactive products, Vtech aims to inspire creativity and learning in young minds. Our diverse product range includes electronic learning toys, tablets, cameras, and more. Visit our website to explore our latest offerings and learn more about our commitment to quality and innovation.

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

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

30 Patents

#4 in Wheeling, IL

#586 in Illinois

#10,878 in US

#21,229 in the World

Wheeling, IL, United States of America

Vtech Industries, Inc.

Forward Citations = 425

28 inventors:

Chi K Chow (6 out of 7 patents)

Frederick L Tsang (5 out of 7 patents)

Ka-Wah Chow (4 out of 4 patents)

4. Pui-Chung Lau (3 out of 3 patents)

5. Chung P Lau (3 out of 3 patents)

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