Assignee
HU FEIFAN
CN·3 granted patents·2 citations·filing 2017–2021
Top patents by PatentIndex Score
3 records- 0159US12357439B2Electric handle, electric toothbrush and electric cleaning brushHU FEIFAN·Filed 2021·Granted Jul 15, 2025·0 cites·12 claims
- 0256US11329437B2Insertion detection device for plug pins and a safety socketHU FEIFAN·Filed 2017·Granted May 10, 2022·2 cites·10 claims
- 0351US11998412B2Brush head assembly and electric toothbrushHU FEIFAN·Filed 2019·Granted Jun 4, 2024·0 cites·17 claims
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