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ZYGO CORP

Overview
  • Total Patents
    867
  • GoodIP Patent Rank
    15,448
  • Filing trend
    ⇩ 90.0%
About

ZYGO CORP has a total of 867 patent applications. It decreased the IP activity by 90.0%. Its first patent ever was published in 1972. It filed its patents most often in United States, WIPO (World Intellectual Property Organization) and EPO (European Patent Office). Its main competitors in its focus markets measurement, optics and semiconductors are CORNING TROPEL CORP, TROPEL CORP and CARL EDVARD JOHANSSON.

Patent filings per year

Chart showing ZYGO CORPs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Hill Henry A 163
#2 Deck Leslie L 141
#3 De Groot Peter 138
#4 De Groot Peter J 127
#5 De Lega Xavier Colonna 72
#6 Hill Henry Allen 71
#7 Colonna De Lega Xavier 52
#8 Liesener Jan 46
#9 Sommargren Gary E 38
#10 Demarest Frank C 35

Latest patents

Publication Filing date Title
US2021124270A1 Method of mitigating defects on an optical surface and mirror formed by same
US2020279746A1 Method for figure control of optical surfaces
US2020003620A1 Wavemeter using pairs of interferometric optical cavities
TW201944025A Metrology of multi-layer stacks
US2018180412A1 Surface topography apparatus and method
KR20190074307A Method and apparatus for optimizing the optical performance of an interferometer
TW201809590A Interferometric method and system for characterizing a test cavity
EP3397949A1 Method and apparatus for optimizing the optical performance of interferometers
WO2016204878A1 Displacement measurement of deformable bodies
US2016102999A1 Interferometric encoder systems having at least partially overlapping diffracted beams
TW201619589A Method or system for dertermining information about an object or a transparent optical element and method of forming an optical assembly
TW201621290A Optical evaluation of lenses and lens molds
WO2016025772A1 Optical evaluation of lenses and lens molds
WO2016025505A1 Calibration of scanning interferometers
WO2016011024A1 Interferometric encoders using spectral analysis
US9719777B1 Interferometer with real-time fringe-free imaging
KR20160140895A Photo-masks for lithography
EP3092459A1 Measuring topography of aspheric and other non-flat surfaces
US2015153163A1 Interferometer and method for measuring non-rotationally symmetric surface topography having unequal curvatures in two perpendicular principal meridians
US2015055139A1 In situ calibration of interferometers