Inventor · disambiguated record
J. H. Liu
Also filed as: LIU J H
4 granted patents·103 citations·filing 1990–1990
79Inventor score
Files withLIU J H4
Top patents by PatentIndex Score
4 records- 0171US5131175AWater spraying device for crystal ballLIU J H·Filed 1990·Granted Jul 21, 1992·40 cites·12 claims
- 0259US5090144ACrystal ball having swing doll with color changeable eyesLIU J H·Filed 1990·Granted Feb 25, 1992·23 cites·15 claims
- 0351US5088218AStructure of the rotary type crystal ballLIU J H·Filed 1990·Granted Feb 18, 1992·21 cites·10 claims
- 0448US5070633ACrystal ball having revolving external configurationLIU J H·Filed 1990·Granted Dec 10, 1991·19 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →