Forward Citations = 430

Loading Chart...

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),

Company Overview

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.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

7 Patents

#448 in Hong Kong

#3,895 in China

Hong Kong, China

Addway Engineering Limited

Forward Citations = 430

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)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Addway Engineering Limited. Retrieved from https://idiyas.com/company/addway-engineering

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]