Inventor · disambiguated record
Vincent Kwan
Also filed as: KWAN VINCENT · KWAN VINCENT W · KWAN VINCENT WING SUM
3 granted patents·3 pending applications·50 citations·filing 2003–2024
71Inventor score
Files withSANFORD LP5
Top patents by PatentIndex Score
6 records- 0188US7018122B2Single- or double-ended multi-section nib markerSANFORD LP·Filed 2004·Granted Mar 28, 2006·36 cites·3 claims
- 0272US7083665B1Highlightable marking composition, method of highlighting the same, highlightable marking composition kit, and highlighted marking composition complexSANFORD LP·Filed 2003·Granted Aug 1, 2006·10 cites·33 claims
- 0367US2024400845A1Opaque ink compositionSANFORD LP·Filed 2024·Application pending·0 cites
- 0460US2022372312A1Marking compositionsSANFORD LP·Filed 2022·Application pending·0 cites
- 0555US7094278B2Multi-color writing inksSANFORD LP·Filed 2004·Granted Aug 22, 2006·4 cites·38 claims
- 0636US2004182281A1Dry erase inkFiled 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →