Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
JC

Junfei Chen — 5 Patents

Lo Wu, CN: #1,712 of 7,906 inventorsTop 25%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Junfei Chen has been granted 5 US patents. The first was granted in 2023 and the most recent in January 2025. Junfei Chen ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Junfei Chen in Lo Wu, CN.

Patents per Year

Patents granted per year, 2023 to 2025Bar chart with a peak of 2 patents in 2023.peak 22023: 2 patents20232024: 2 patents20242025: 1 patents2025

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
D1059456 Security camera 2025-01-28
D1039020 Security camera 2024-08-13
11953456 Method for separating oil-water two-phase NMR signals by using dynamic nuclear polarization Chaoyang Liu, Li-Kuang Chen, Jiwen Feng, Zhen Zhang, Zhekai Zhang +1 more 2024-04-09
11719655 Method for measuring oil-water distribution using dynamic nuclear polarization for magnetic resonance imaging (DNP-MRI) Li-Kuang Chen, Chaoyang Liu, Zhen Zhang, Tao Feng, Jiwen Feng +1 more 2023-08-08
11680998 NMR relaxation time inversion method based on unsupervised neural network Li-Kuang Chen, Sheng Shen, Fang Chen, Chaoyang Liu 2023-06-20