DH

Dongcheng HAN

📍 Daguantang, CN: #12 of 208 inventorsTop 6%
Overall (2024): #88,529 of 561,600Top 20%
3
Patents 2024

Issued Patents 2024

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11982838 Optical lens Chao Fan 2024-05-14
11977242 Processing technology for single-column and multi-row equivalent negative refractive index plate lens Chao Fan, Liangliang Zhang 2024-05-07
11977245 Optical waveguide unit, array, and flat lens Chao Fan 2024-05-07