Inventor · disambiguated record
Nicholas James Keller
Also filed as: KELLER NICHOLAS · KELLER NICHOLAS JAMES
7 granted patents·1 pending application·9 citations·filing 2015–2023
75Inventor score
Top patents by PatentIndex Score
8 records- 0190US11808715B2Target for optical measurement of trenchesONTO INNOVATION INC·Filed 2021·Granted Nov 7, 2023·2 cites·30 claims
- 0283US11079220B1Calibration of azimuth angle for optical metrology stage using grating-coupled surface plasmon resonanceONTO INNOVATION INC·Filed 2020·Granted Aug 3, 2021·2 cites·20 claims
- 0382US10883924B2Metallic gratings and measurement methods thereofUNIV NEW YORK STATE RES FOUND·Filed 2015·Granted Jan 5, 2021·4 cites·62 claims
- 0481US12386271B2Multi-layer calibration for empirical overlay measurementONTO INNOVATION INC·Filed 2022·Granted Aug 12, 2025·1 cites·20 claims
- 0557US2024248045A1Mask and procedure for process performance detectionONTO INNOVATION INC·Filed 2023·Application pending·0 cites
- 0654US12013350B2Effective cell approximation model for logic structuresONTO INNOVATION INC·Filed 2021·Granted Jun 18, 2024·0 cites·20 claims
- 0750US11668644B2Opto-acoustic measurement of a transparent film stackONTO INNOVATION INC·Filed 2021·Granted Jun 6, 2023·0 cites·20 claims
- 0836US10061210B23D target for monitoring multiple patterning processNANOMETRICS INC·Filed 2016·Granted Aug 28, 2018·0 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →