DC

David Cheung

Applied Materials: 69 patents #94 of 7,310Top 2%
NS Novellus Systems: 19 patents #35 of 780Top 5%
Lam Research: 9 patents #327 of 2,128Top 20%
FN Foundry Networks: 2 patents #70 of 112Top 65%
NS National Semiconductor: 1 patents #1,247 of 2,238Top 60%
CE Cercom: 1 patents #5 of 8Top 65%
XC Xceedium: 1 patents #2 of 2Top 100%
CA Ca: 1 patents #669 of 1,424Top 50%
Overall (All Time): #13,845 of 4,157,543Top 1%
102
Patents All Time

Issued Patents All Time

Showing 25 most recent of 102 patents

Patent #TitleCo-InventorsDate
12272571 Systems and methods for metastable activated radical selective strip and etch using dual plenum showerhead Dengliang Yang, Haoquan Fang, Gnanamani Amburose, Eunsuk Ko, Wei Luo +1 more 2025-04-08
12272570 Systems and methods for metastable activated radical selective strip and etch using dual plenum showerhead Dengliang Yang, Haoquan Fang, Gnanamani Amburose, Eunsuk Ko, Wei Luo +1 more 2025-04-08
12211709 Systems and methods for metastable activated radical selective strip and etch using dual plenum showerhead Dengliang Yang, Haoquan Fang, Gnanamani Amburose, Eunsuk Ko, Weiyi Luo +1 more 2025-01-28
11694911 Systems and methods for metastable activated radical selective strip and etch using dual plenum showerhead Dengliang Yang, Haoquan Fang, Gnanamani Amburose, Eunsuk Ko, Weiyi Luo +1 more 2023-07-04
11062897 Metal doped carbon based hard mask removal in semiconductor fabrication Yongsik Yu, Kirk Ostrowski, Nikkon Ghosh, Karthik S. Colinjivadi, Samantha Tan +2 more 2021-07-13
10267728 Systems and methods for detecting oxygen in-situ in a substrate area of a substrate processing system Dengliang Yang, Ilia Kalinovski, Haoquan Fang 2019-04-23
10109476 Substrate processing method for depositing a barrier layer to prevent photoresist poisoning Ilia Kalinovski 2018-10-23
9941108 High dose implantation strip (HDIS) in H2 base chemistry Haruhiro Harry Goto 2018-04-10
9838429 Dynamic access policies David Van 2017-12-05
9613825 Photoresist strip processes for improved device integrity Roey Shaviv, Kirk Ostrowski, Joon Park, Bayu Thedjoisworo, Patrick J. Lord 2017-04-04
9591738 Plasma generator systems and methods of forming plasma Huatan Qiu, Prashanth Kothnur 2017-03-07
9564344 Ultra low silicon loss high dose implant strip Haoquan Fang, Jack Kuo, Ilia Kalinovski, Zhao Li, Guhua Yao +2 more 2017-02-07
9514954 Peroxide-vapor treatment for enhancing photoresist-strip performance and modifying organic films Bayu Thedjoisworo, Bradley Jon Jacobs, Ivan L. Berry, III 2016-12-06
9397011 Systems and methods for reducing copper contamination due to substrate processing chambers with components made of alloys including copper Haoquan Fang, Yuk-Hong Ting 2016-07-19
9209000 Gas flow distribution receptacles, plasma generator systems, and methods for performing plasma stripping processes Huatan Qiu, Woody Chung, Anirban Guha 2015-12-08
9034773 Removal of native oxide with high selectivity Bayu Thedjoisworo, Joon Park 2015-05-19
8916477 Polysilicon etch with high selectivity Bayu Thedjoisworo, Jack Kuo, Joon Park 2014-12-23
8864935 Plasma generator apparatus James A. Fair, Vincent Decaux, Anirban Guha, John H. Keller, Peter Jagusch 2014-10-21
8819763 Dynamic access policies David Van 2014-08-26
8721797 Enhanced passivation process to protect silicon prior to high dose implant strip Haoquan Fang, Jack Kuo, Ilia Kalinovski, Ted Li, Andrew Yao 2014-05-13
8716143 Plasma based photoresist removal system for cleaning post ash residue Kirk Ostrowski 2014-05-06
8641862 High dose implantation strip (HDIS) in H2 base chemistry Haruhiro Harry Goto 2014-02-04
8619552 Virtual router with a priority value per port Xiaohong Pan 2013-12-31
8591661 Low damage photoresist strip method for low-K dielectrics Ted Li, Anirban Guha, Kirk Ostrowski 2013-11-26
8444869 Simultaneous front side ash and backside clean Haruhiro Harry Goto 2013-05-21