Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Chang Wai Kit Roger — 1 Patent

Singapore, SG: #6,661 of 13,971 inventorsTop 50%
Overall (All Time): #3,052,513 of 4,157,543Top 75%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D729309 Three-dimensional printer Tsang You Jun, Goh Kheng Leng Brendan, Neo Kok Beng 2015-05-12