Inventor · disambiguated record
Wing On Tang
Also filed as: TANG WING ON
4 granted patents·23 citations·filing 2004–2019
74Inventor score
Technology areasF21L
Top patents by PatentIndex Score
4 records- 0170US7510298B2Flashlight having a focusing mechanismEVEREADY BATTERY INC·Filed 2007·Granted Mar 31, 2009·5 cites·23 claims
- 0268US7309139B2FlashlightEVEREADY BATTERY INC·Filed 2004·Granted Dec 18, 2007·12 cites·35 claims
- 0356US7815336B2FlashlightEVEREADY BATTERY INC·Filed 2009·Granted Oct 19, 2010·1 cites·20 claims
- 0445USD939120SLighting deviceENERGIZER BRANDS LLC·Filed 2019·Granted Dec 21, 2021·5 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →