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NANOMETRICS INC

Overview
  • Total Patents
    288
  • GoodIP Patent Rank
    21,103
  • Filing trend
    ⇧ 650.0%
About

NANOMETRICS INC has a total of 288 patent applications. It increased the IP activity by 650.0%. Its first patent ever was published in 1973. It filed its patents most often in United States, Taiwan and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets measurement, optics and semiconductors are NOVA MEASURING INSTR LTD, VISTEC SEMICONDUCTOR SYS GMBH and ACCENT OPTICAL TECH INC.

Patent filings per year

Chart showing NANOMETRICS INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Liu Zhuan 21
#2 Smith Nigel P 21
#3 Vagos Pedro 18
#4 Rabello Silvio J 17
#5 Ackerley Nicholas Jason 16
#6 Shachaf Amit 15
#7 Hayman Mark Jonathan Brice 15
#8 Poris Jaime 15
#9 Hu Jiangtao 14
#10 Li Jie 13

Latest patents

Publication Filing date Title
US2019391088A1 Surface height determination of transparent film
US2019170634A1 Local purge within metrology and inspection systems
US2018156597A1 Scanning white-light interferometry system for characterization of patterned semiconductor features
EP3165903A1 Optical metrology system for spectral imaging of a sample
TW201719126A Optical metrology apparatus and method
US2017031248A1 3D target for monitoring multiple patterning process
US2017016715A1 Interferometric characterization of surface topography
US2016290927A1 Optical metrology system for spectral imaging of a sample
US2016033763A1 Protected lens cover plate for an optical metrology device
US2017024509A1 Optical critical dimension target design
US2016033399A1 Optical metrology with purged reference chip
US2016341670A1 Optical metrology using differential fitting
US2015168128A1 Via characterization for BCD and depth metrology
US2016097677A1 Deconvolution to reduce the effective spot size of a spectroscopic optical metrology device
US2015168290A1 Focusing system with filter for open or closed loop control
US2015153165A1 Optical metrology with multiple angles of incidence and/or azimuth angles
US2015146193A1 Optical metrology system for spectral imaging of a sample
EP2841997A1 Dark field diffraction based overlay
US2013257270A1 Plasma lamp ignition source
US2014249768A1 Correction of angular error of plane-of-incidence azimuth of optical metrology device