QD

Qiu Du

JL Jiangsu Conant Optical Co., Ltd;: 2 patents #4 of 16Top 25%
SC Shanghai Conant Optical Co.: 2 patents #4 of 16Top 25%
Overall (All Time): #1,687,429 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12189215 Front curve design method for preparing resin lens with high refractive index Chuanbao Wang, Hongbin Fan, Qingbo Yan, Chunhong Wen, Kenny Schwartz 2025-01-07
11772341 Dyeable 1.74 resin lens and preparation method thereof Chuanbao Wang, Xinbiao Liu, Yulei Bao, Yuan Lu, Qingbo Yan +1 more 2023-10-03