Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
WT

Wai Keung Tse

WCWah Hing Toys Development Co.: 1 patents #1 of 2Top 50%
Tseung Kwan O, CN: #2 of 7 inventorsTop 30%
Overall (2002): #93,753 of 266,432Top 40%
1 Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D453031 Toy helicopter 2002-01-22