How many patents does
Zygo Corporation have?
patents
497
families
124
granted
202
applications
295
US
164
EP
94
WO
55
JP
44
KR
22
CN
21
RoW
97
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The report contains ten-year analysis with the following sections
- patent filing analysis
- worldwide filing analysis
- patent family analysis
- application analysis
- granted analysis
- classification analysis
- citation analysis
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read summary of their published patent
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Zygo Corporation
Top ten assignees appearing on patents
Zygo Corporation
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| double pass interferometric encoder system | 27 | 2011 |
| scan error correction in low coherence scanning interferometry | 24 | 2008 |
| interferometric encoder systems | 19 | 2010 |
| optical evaluation of lenses and lens molds | 16 | 2014 |
| methods and systems for interferometric analysis of surfaces and related applications | 16 | 2003 |
| phase-shifting interferometry in the presence of vibration | 15 | 2008 |
| measuring topography of aspheric and other non-flat surfaces | 15 | 2014 |
| interferometer for determining characteristics of an object surface | 15 | 2005 |
| equal-path interferometer | 13 | 2009 |
| analyzing surface structure using scanning interferometry | 10 | 2007 |