HF

Hongbin Fan

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): #1,687,428 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12372808 Spectacle lens Chuanbao Wang, Qingbo Yan 2025-07-29
12189215 Front curve design method for preparing resin lens with high refractive index Chuanbao Wang, Qingbo Yan, Qiu Du, Chunhong Wen, Kenny Schwartz 2025-01-07