CJ

Chunhai Ji

Lam Research: 6 patents #476 of 2,128Top 25%
NS Novellus Systems: 1 patents #479 of 780Top 65%
📍 Portland, OR: #2,226 of 9,213 inventorsTop 25%
🗺 Oregon: #5,706 of 28,073 inventorsTop 25%
Overall (All Time): #723,680 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
10475627 Carrier ring wall for reduction of back-diffusion of reactive species and suppression of local parasitic plasma ignition Chengzhu Qi, Yukinori Sakiyama, Bin Luo, Douglas Keil, Pramod Subramonium +1 more 2019-11-12
10192759 Image reversal with AHM gap fill for multiple patterning Nader Shamma, Bart J. van Schravendijk, Sirish Reddy 2019-01-29
9941113 Systems and methods for using electrical asymmetry effect to control plasma process space in semiconductor fabrication Douglas Keil, Ishtak Karim, Yaswanth Rangineni, Adrien LaVoie, Yukinori Sakiyama +2 more 2018-04-10
9644271 Systems and methods for using electrical asymmetry effect to control plasma process space in semiconductor fabrication Douglas Keil, Ishtak Karim, Yaswanth Rangineni, Adrien LaVoie, Yukinori Sakiyama +2 more 2017-05-09
9589799 High selectivity and low stress carbon hardmask by pulsed low frequency RF power Sirish Reddy, Xinyi Chen, Pramod Subramonium 2017-03-07
9362133 Method for forming a mask by etching conformal film on patterned ashable hardmask Nader Shamma, Bart J. van Schravendijk, Sirish Reddy 2016-06-07
9023731 Carbon deposition-etch-ash gap fill process Sirish Reddy, Tuo Wang, Mandyam Sriram 2015-05-05