Inventor · disambiguated record
Roger Ngan
Also filed as: NGAN ROGER · NGAN ROGER CHI-WING
4 granted patents·92 citations·filing 2001–2003
77Inventor score
Top patents by PatentIndex Score
4 records- 0187US6951497B1Toy vehicle intersection with elevational adjustmentMAISTO INTERNATIONAL INC·Filed 2003·Granted Oct 4, 2005·53 cites·12 claims
- 0282US6695675B1Accelerator for toy vehicles having multiple engageable levelsMAISTO INTERNATIONAL INC·Filed 2003·Granted Feb 24, 2004·33 cites·18 claims
- 0353US6499589B1Display standMAY CHEONG TOY PRODUCTS FACTOR·Filed 2001·Granted Dec 31, 2002·3 cites·6 claims
- 0435USD465107SDisplay boxMAY CHEONG TOY PRODUCTS FACTOR·Filed 2001·Granted Nov 5, 2002·3 cites·1 claims
Join the waitlist — get patent alerts
Get an alert when Roger Ngan files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →