Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
DC

David Cheung — 102 Patents

Applied Materials: 69 patents #97 of 7,310Top 2%
NSNovellus Systems: 19 patents #35 of 780Top 5%
Lam Research: 9 patents #330 of 2,128Top 20%
FNFoundry Networks: 2 patents #70 of 112Top 65%
NSNational Semiconductor: 1 patents #1,247 of 2,238Top 60%
XCXceedium: 1 patents #2 of 2Top 100%
CECercom: 1 patents #5 of 8Top 65%
CACa: 1 patents #669 of 1,424Top 50%
Foster City, CA: #9 of 2,058 inventorsTop 1%
California: #2,189 of 386,348 inventorsTop 1%
Overall (All Time): #13,957 of 4,157,543Top 1%
102 Patents All Time
David Cheung has been granted 102 US patents while listed as an inventor at Applied Materials. The first was granted in 1992 and the most recent in April 2025. David Cheung ranks #13,957 of 4,157,543 US inventors in our database (top 0.34%). Patent records list David Cheung in Foster City, CA, US.

Patents per Year

Patents granted per year, 1992 to 2025Bar chart with a peak of 13 patents in 2003.peak 131992: 1 patents19921994: 1 patents1997: 2 patents1998: 3 patents19981999: 3 patents2000: 11 patents2001: 10 patents20012002: 7 patents2003: 13 patents2004: 9 patents20042005: 3 patents2006: 2 patents2007: 4 patents20072009: 1 patents2010: 2 patents2011: 1 patents20112012: 4 patents2013: 3 patents2014: 6 patents20142015: 2 patents2016: 2 patents2017: 4 patents20172018: 2 patents2019: 1 patents2021: 1 patents20212023: 1 patents2025: 3 patents2025

Issued Patents All Time

Showing 1–25 of 102 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
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
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
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 $378,432,000
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 $38,920,000
10109476 Substrate processing method for depositing a barrier layer to prevent photoresist poisoning Ilia Kalinovski 2018-10-23 $28,319,000
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 $8,912,000
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 $22,040,000
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 $10,345,000
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