WC

Wei Chang

KL Kla-Tencor: 6 patents #245 of 1,394Top 20%
Overall (All Time): #712,244 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11456194 Determining critical parameters using a high-dimensional variable selection model Joseph Gutierrez, Krishna Rao 2022-09-27
10650508 Automatic defect classification without sampling and feature selection Ramon Olavarria, Krishna Rao 2020-05-12
10545412 Statistical overlay error prediction for feed forward and feedback correction of overlay errors, root cause analysis and process control Krishna Rao, Joseph Gutierrez, Ramon Olavarria, Craig MacNaughton, Amir Azordegan +1 more 2020-01-28
10361105 Determining critical parameters using a high-dimensional variable selection model Joseph Gutierrez, Krishna Rao 2019-07-23
9707660 Predictive wafer modeling based focus error prediction using correlations of wafers Pradeep Vukkadala, Jaydeep Sinha, Krishna Rao 2017-07-18
9087176 Statistical overlay error prediction for feed forward and feedback correction of overlay errors, root cause analysis and process control Krishna Rao, Joseph Gutierrez, Ramon Olavarria, Craig MacNaughton, Amir Azordegan +2 more 2015-07-21
D466959 Dinosaur assembly model 2002-12-10