The report contains ten-year analysis with the following sections
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cdgm optical glass company | 18 |
cdgm glass company | 10 |
Title of patent family (most common patent title) |
Family members |
Filing year |
---|---|---|
near infrared light absorbing glass, element and filter | 15 | 2012 |
optical glass and optical element | 12 | 2014 |
fluorophosphate optical glass | 10 | 2014 |
optical glass and optical element | 9 | 2010 |
glass suitable for chemically toughening and chemically toughened glass | 9 | 2009 |
optical glass and optical element having negative anomalous dispersion | 8 | 2014 |
fluorophosphate optical glass | 8 | 2009 |
optical glass used for precision mould pressing, glass prefab, optical element and optic… 🛈 | 8 | 2012 |
environmentally-friendly heavy lanthanum flint optical glass | 7 | 2012 |
optical glass and optical element | 7 | 2011 |