ZEISS’ Freeform Progressive Technology Patents Granted In Japan

[membership id="38008,14269" access="no" silent="yes"]The Japanese Patent Office has granted ZEISS two patents covering certain types of back-surface freeform progressive lenses and processes by which they are made The Japanese Patent Office has granted ZEISS two patents that cover certain types of back-surface freeform progressive lenses and also the process in which they are made. The patent includes type of…[/ms-protect-content]

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