Patents/Assignees

Shanghai Conant Optical Co., Ltd.

7 patents in portfolio

US12416744utility2025
1.74 Refractive Index Polarized Resin Lens and Preparation Method Thereof
0 cites
US12372808utility2025
Spectacle Lens
0 cites
US12339419utility2025
Anti-blue Light Resin Lens with Refractive Index of 1.50 and Preparation Method Thereof
0 cites
US12189215utility2025
Front Curve Design Method for Preparing Resin Lens with High Refractive Index
0 cites
US12130449utility2024
Anti-blue Light Anti-infrared Resin Lens with Refractivity of 1.50 and Preparation Method Thereof
0 cites
US12060447utility2024
Photochromic Resin Lens with Refractivity of 1.50 and Preparation Method Thereof
0 cites
US11772341utility2023
Dyeable 1.74 Resin Lens and Preparation Method Thereof
0 cites