Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–5 of 5 inventors

Rank Inventor Primary Company Patents
1 Cham Fung Lai Hayco Manufacturing Limited 2
2 Dennis Lau Cheuk-Ping 1
2 Kam Kong Andy Chan 1
2 Ng Tsz Man 1
2 Wai Kwok Wu O2Cool 1