Inventor · disambiguated record
Jianjun Ke
Also filed as: KE JIANJUN
10 granted patents·1 pending application·5 citations·filing 2021–2024
78Inventor score
Files withSHENZHEN BILLDA TECH CO LTD11
Top patents by PatentIndex Score
11 records- 0190US11959617B1Downlight emergency power supply deviceSHENZHEN BILLDA TECH CO LTD·Filed 2023·Granted Apr 16, 2024·4 cites·17 claims
- 0260US12500442B1Emergency power supply circuit and lighting deviceSHENZHEN BILLDA TECH CO LTD·Filed 2024·Granted Dec 16, 2025·0 cites·10 claims
- 0357US12003084B2Foldable emergency power box with shaft structure allowing wires to penetrate throughSHENZHEN BILLDA TECH CO LTD·Filed 2022·Granted Jun 4, 2024·0 cites·10 claims
- 0456US2024283373A1Constant-power pure sine wave output circuit, device and power supply systemSHENZHEN BILLDA TECH CO LTD·Filed 2023·Application pending·0 cites
- 0548US11991806B2Emergency output circuit for starting LED lamp tubes with leakage protectionSHENZHEN BILLDA TECH CO LTD·Filed 2022·Granted May 21, 2024·0 cites·7 claims
- 0643USD972508SEmergency power supplySHENZHEN BILLDA TECH CO LTD·Filed 2021·Granted Dec 13, 2022·1 cites·1 claims
- 0738USD1058486SPower supplySHENZHEN BILLDA TECH CO LTD·Filed 2023·Granted Jan 21, 2025·0 cites·1 claims
- 0834USD1098548SEmergency light tubeSHENZHEN BILLDA TECH CO LTD·Filed 2024·Granted Oct 14, 2025·0 cites·1 claims
- 0933USD1106086SEmergency power control boxSHENZHEN BILLDA TECH CO LTD·Filed 2024·Granted Dec 16, 2025·0 cites·1 claims
- 1033USD1106085SEmergency power control boxSHENZHEN BILLDA TECH CO LTD·Filed 2024·Granted Dec 16, 2025·0 cites·1 claims
- 1132USD1106067SEmergency power supply housingSHENZHEN BILLDA TECH CO LTD·Filed 2024·Granted Dec 16, 2025·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →