Forward Citations = 425

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4 inventors (with patents filed for the assignee):

Ka Shing Wu (4 out of 6 patents)

Kwok Nam Shek (1 out of 1 patent)

Kwok-Nam Shek (1 out of 1 patent)

4. Fung Kut Hui (1 out of 1 patent)

7 patents: Sort by Forward Citations

1. 6453498 - Electric toothbrush (2002-09-24),

2. 6182321 - Toothbrush (2001-02-06),

3. 6047429 - Toothbrush with water jet (2000-04-11),

4. 5931170 - Dental flosser (1999-08-03),

5. 5784743 - Electric toothbrushes (1998-07-28),

6. 5778474 - Mechanically driven toothbrush (1998-07-14),

7. 5732432 - Electric toothbrushes (1998-03-31),

Addway Engineering Limited is a leading engineering company that specializes in providing innovative solutions for the manufacturing industry. With a focus on automation, robotics, and advanced manufacturing technologies, Addway Engineering has a proven track record of delivering high-quality products and services to clients worldwide. Our team of experienced engineers and technicians are dedicated to finding cost-effective solutions to meet our clients' unique needs and requirements. Visit our website for more information on our services and capabilities.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

7 Patents

#428 in Hong Kong

#3,401 in China

Hong Kong, China

Addway Engineering Limited

Forward Citations = 425

4 inventors:

Ka Shing Wu (4 out of 6 patents)

Kwok Nam Shek (1 out of 1 patent)

Kwok-Nam Shek (1 out of 1 patent)

4. Fung Kut Hui (1 out of 1 patent)

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