CH

Chengjian Han

📍 Zaozhuang, CN: #3 of 10 inventorsTop 30%
Overall (2025): #65,881 of 469,880Top 15%
3
Patents 2025

Issued Patents 2025

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
D1083811 Power bank Shijie Ren, Yong Wang, Hui-Hai Liu 2025-07-15
D1078630 UPS power supply Yong Wang, Shijie Ren, Yidong Wang, Hao Sun, Jian Liu +1 more 2025-06-10
D1060214 Energy storage box Shijie Ren, Yong Wang, Yidong Wang, Hui-Hai Liu, Xing Li 2025-02-04