Investigator J. Houžvička K. Blažek P. Horodyský prof. Ing. Martin Nikl, CSc. prom. fyz. Pavel Boháček Laboratory / Department Department of Optical Materials Patent number Patent ZL 2016 8 0059080.5 Date of award 4 Jun 2021 Postscript patent Čína, no. ZL 2016 8 0059080.5