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BICHENG DAI

HC Heifeng Zhizao (Shenzhen) Technology Co.: 2 patents #4 of 10Top 40%
Overall (All Time): #1,727,548 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12370088 Ear canal care device YICHUN LU, Kunsheng Chen, Shihong Wang, GEYAN YU 2025-07-29
11890028 Visual tweezer Kunsheng Chen, Hongchu Li 2024-02-06