Inventor · disambiguated record
Zhonghua Qiu
Also filed as: QIU ZHONGHUA
3 granted patents·1 pending application·5 citations·filing 2021–2023
57Inventor score
Top patents by PatentIndex Score
4 records- 0190US11959617B1Downlight emergency power supply deviceSHENZHEN BILLDA TECH CO LTD·Filed 2023·Granted Apr 16, 2024·4 cites·17 claims
- 0256US2024283373A1Constant-power pure sine wave output circuit, device and power supply systemSHENZHEN BILLDA TECH CO LTD·Filed 2023·Application pending·0 cites
- 0338USD1058486SPower supplySHENZHEN BILLDA TECH CO LTD·Filed 2023·Granted Jan 21, 2025·0 cites·1 claims
- 0436USD1014191SCupCHAOZHOU SANHUA CERAMICS IND CO LTD·Filed 2021·Granted Feb 13, 2024·1 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →