QD

Qiu Du

JL Jiangsu Conant Optical Co., Ltd;: 1 patents #5 of 11Top 50%
SC Shanghai Conant Optical Co.: 1 patents #5 of 11Top 50%
Overall (2025): #249,254 of 469,880Top 55%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 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