Inventor · disambiguated record
Tsun Kwan Donald Siu
Also filed as: SIU TSUN KWAN DONALD
2 granted patents·3 pending applications·0 citations·filing 2021–2024
22Inventor score
Files withEBAY INC5
Top patents by PatentIndex Score
5 records- 0147US12354119B2Non-fungible token watermarking management systemEBAY INC·Filed 2022·Granted Jul 8, 2025·0 cites·20 claims
- 0247US2024220953A1Hybrid asset management systemEBAY INC·Filed 2022·Application pending·0 cites
- 0343US2025285171A1Real-Time Augmented Reality Item GuideEBAY INC·Filed 2024·Application pending·0 cites
- 0437US12430680B2Physical storage vault for physical items of digital twin NFTsEBAY INC·Filed 2021·Granted Sep 30, 2025·0 cites·20 claims
- 0535US2025005592A1Techniques for storing unique item characteristics as non-fungible tokens on a blockchainEBAY INC·Filed 2023·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →