Inventor · disambiguated record
To Kwan
Also filed as: KWAN TO · KWAN TO-ON
6 granted patents·240 citations·filing 1999–2021
81Inventor score
Top patents by PatentIndex Score
6 records- 0189US6445369B1Light emitting diode dot matrix display system with audio outputUNIV HONG KONG·Filed 1999·Granted Sep 3, 2002·167 cites·19 claims
- 0279US6683590B1Tricolor LED display system having audio outputUNIV HONG KONG·Filed 1999·Granted Jan 27, 2004·71 cites·17 claims
- 0351USD1000291STake away cup carrierSTORA ENSO OYJ·Filed 2021·Granted Oct 3, 2023·1 cites·1 claims
- 0451USD1000292STake away cup carrierSTORA ENSO OYJ·Filed 2021·Granted Oct 3, 2023·1 cites·1 claims
- 0524USD1005131STake away cup carrierSTORA ENSO OYJ·Filed 2021·Granted Nov 21, 2023·0 cites·1 claims
- 0624USD986748STake away cup carrierSTORA ENSO OYJ·Filed 2021·Granted May 23, 2023·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →