Inventor · disambiguated record
Chan K. Leung
Also filed as: LEUNG CHAN K · LEUNG CHAN KA
2 granted patents·2 pending applications·18 citations·filing 1984–2020
59Inventor score
Top patents by PatentIndex Score
4 records- 0174USD289537SToy locomotiveBLUE BOX TOY FACTORY LTD·Filed 1984·Granted Apr 28, 1987·15 cites·1 claims
- 0258US2011073425A1Expandable carrying caseSIU CYNTHIA O·Filed 2009·Application pending·0 cites
- 0335USD297747STop and sides of a toy train trackBLUE BOX TOY FACTORY LTD·Filed 1986·Granted Sep 20, 1988·3 cites·1 claims
- 0430US2021053710A1Separable evacuation deviceDEFOND ELECTECH CO LTD·Filed 2020·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →