Inventor · disambiguated record
Erjian Song
Also filed as: SONG ERJIAN
1 granted patent·2 pending applications·0 citations·filing 2021–2024
4Inventor score
Files withLI CHENGLI3
Top patents by PatentIndex Score
3 records- 0150US2025215873A1Method for determining malfunction of a liquid drainage pump and related control device and liquid drainage pumpLI CHENGLI·Filed 2024·Application pending·0 cites
- 0243US11953365B2Switching device and a liquid level detection apparatus employing the switching deviceLI CHENGLI·Filed 2021·Granted Apr 9, 2024·0 cites·13 claims
- 0340US2024088648A1Leakage current control device and related control apparatus and electrical appliance employing the sameLI CHENGLI·Filed 2022·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →