Inventor
LIAN LEI
US51 patents
⚠️ This page may combine multiple inventors who share the name “LIAN LEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
APPLIED MATERIALS INC
27 patentsUS7169625B2Jan 30, 2007
Method for automatic determination of semiconductor plasma chamber matching and source of fault by comprehensive plasma monitoring
APPLIED MATERIALS INC90 citations98
US7306696B2Dec 11, 2007
Interferometric endpoint determination in a substrate etching process
APPLIED MATERIALS INC33 citations96
US7652774B2Jan 26, 2010
Interferometric endpoint determination in a substrate etching process
APPLIED MATERIALS INC18 citations92
US7158221B2Jan 2, 2007
Method and apparatus for performing limited area spectral analysis
APPLIED MATERIALS INC14 citations90
US11114286B2Sep 7, 2021
In-situ optical chamber surface and process sensor
APPLIED MATERIALS INC14 citations85
US9601396B2Mar 21, 2017
3D NAND staircase CD control by using interferometric endpoint detection
APPLIED MATERIALS INC7 citations84
US8009938B2Aug 30, 2011
Advanced process sensing and control using near infrared spectral reflectometry
APPLIED MATERIALS INC9 citations83
US7330244B2Feb 12, 2008
Method and apparatus for performing limited area spectral analysis
APPLIED MATERIALS INC9 citations82
US7808651B2Oct 5, 2010
Determining endpoint in a substrate process
APPLIED MATERIALS INC6 citations74
US11421977B2Aug 23, 2022
Eliminating internal reflections in an interferometric endpoint detection system
APPLIED MATERIALS INC4 citations72
US12265377B2Apr 1, 2025
Autonomous substrate processing system
APPLIED MATERIALS INC3 citations71
US11709477B2Jul 25, 2023
Autonomous substrate processing system
APPLIED MATERIALS INC3 citations69
US9240359B2Jan 19, 2016
3D NAND staircase CD control by using interferometric endpoint detection
APPLIED MATERIALS INC2 citations63
US12567569B2Mar 3, 2026
Optical cable for interferometric endpoint detection
APPLIED MATERIALS INC0 citations62
US12385803B2Aug 12, 2025
Endpoint detection system for enhanced spectral data collection
APPLIED MATERIALS INC0 citations62
US11965798B2Apr 23, 2024
Endpoint detection system for enhanced spectral data collection
APPLIED MATERIALS INC0 citations62
US11735401B2Aug 22, 2023
In-situ optical chamber surface and process sensor
APPLIED MATERIALS INC0 citations62
US8956886B2Feb 17, 2015
Embedded test structure for trimming process control
APPLIED MATERIALS INC2 citations62
US7969581B2Jun 28, 2011
Determining endpoint in a substrate process
APPLIED MATERIALS INC3 citations62
US7815812B2Oct 19, 2010
Method for controlling a process for fabricating integrated devices
APPLIED MATERIALS INC2 citations62
US7602484B2Oct 13, 2009
Method and apparatus for performing limited area spectral analysis
APPLIED MATERIALS INC2 citations60
US12066639B2Aug 20, 2024
Adjustable achromatic collimator assembly for endpoint detection systems
APPLIED MATERIALS INC0 citations59
US11719952B2Aug 8, 2023
Adjustable achromatic collimator assembly for endpoint detection systems
APPLIED MATERIALS INC1 citations59
US7393459B2Jul 1, 2008
Method for automatic determination of substrates states in plasma processing chambers
APPLIED MATERIALS INC2 citations59
US12078547B2Sep 3, 2024
Etalon thermometry for plasma environments
APPLIED MATERIALS INC0 citations56
US12046522B2Jul 23, 2024
Endpoint detection in low open area and/or high aspect ratio etch applications
APPLIED MATERIALS INC0 citations54
US12237158B2Feb 25, 2025
Etch feedback for control of upstream process
APPLIED MATERIALS INC0 citations48
QINGDAO KINGAGROOT CHEMICAL COMPOUND CO LTD
14 patentsUS12049450B2Jul 30, 2024
Pyridyloxy-carboxylate derivative and preparation method therefor, herbicidal composition, and use
QINGDAO KINGAGROOT CHEMICAL COMPOUND CO LTD2 citations71
US12428627B2Sep 30, 2025
Mutant p-hydroxyphenylpyruvate dioxygenase, and coding nucleic acid and use thereof
QINGDAO KINGAGROOT CHEMICAL COMPOUND CO LTD0 citations55
US12408666B2Sep 9, 2025
Pyridyloxy carboxylate derivative, preparation method therefor, herbicidal composition and use thereof
QINGDAO KINGAGROOT CHEMICAL COMPOUND CO LTD0 citations50
US12391648B2Aug 19, 2025
Pyridyloxy thioester derivative and preparation method therefor, herbicidal composition, and application
QINGDAO KINGAGROOT CHEMICAL COMPOUND CO LTD0 citations50
US12304890B2May 20, 2025
R-type pyridyloxycarboxylic acid, salt and ester derivative thereof, and preparation method therefor, and herbicidal composition and application thereof
QINGDAO KINGAGROOT CHEMICAL COMPOUND CO LTD0 citations50
US12568972B2Mar 10, 2026
Pyridazinol compounds and derivatives, preparation methods, herbicidal compositions and applications thereof
QINGDAO KINGAGROOT CHEMICAL COMPOUND CO LTD0 citations49
US12509452B2Dec 30, 2025
Substituted-isoxazoline-containing aromatic compound, preparation method therefor, herbicidal composition and use thereof
QINGDAO KINGAGROOT CHEMICAL COMPOUND CO LTD0 citations49
US12497365B2Dec 16, 2025
4-pyridinyl formamide compound or derivative thereof, preparation method therefor, herbicidal composition and use thereof
QINGDAO KINGAGROOT CHEMICAL COMPOUND CO LTD0 citations49
US12441695B2Oct 14, 2025
Substituted thiadiazinone dioxide and preparation method therefor, herbicidal composition, and application therefor
QINGDAO KINGAGROOT CHEMICAL COMPOUND CO LTD0 citations49
US12396458B2Aug 26, 2025
Fused ring substituted aromatic compound and preparation method therefor, herbicidal composition, and use thereof
QINGDAO KINGAGROOT CHEMICAL COMPOUND CO LTD0 citations49
US12356990B2Jul 15, 2025
Pyridazinol compound, derivative thereof, preparation method therefor, herbicidal composition and use thereof
QINGDAO KINGAGROOT CHEMICAL COMPOUND CO LTD0 citations49
US12240843B2Mar 4, 2025
Substituted 1,2,4-triazolo[4,3-a]pyridine derivative and preparation method, herbicidal composition and application thereof
QINGDAO KINGAGROOT CHEMICAL COMPOUND CO LTD0 citations49
US12084435B2Sep 10, 2024
Pyridine ring-substituted pyridazinol compounds and derivatives, preparation methods, herbicidal compositions and applications thereof
QINGDAO KINGAGROOT CHEMICAL COMPOUND CO LTD0 citations49
US12024500B2Jul 2, 2024
Five-membered ring-substituted pyridazinol compounds and derivatives, preparation methods, herbicidal compositions and applications thereof
QINGDAO KINGAGROOT CHEMICAL COMPOUND CO LTD0 citations49
QINGDAO KINGAGROOT CHEMICAL COMPOUNDS CO LTD
3 patentsUS11661413B2May 30, 2023
Pyrazole compounds or salts thereof, preparation method therefor, herbicidal composition and use thereof
QINGDAO KINGAGROOT CHEMICAL COMPOUNDS CO LTD0 citations57
US11076594B2Aug 3, 2021
Pyrazolone compound or salt thereof, preparation method therefor, herbicide composition and use thereof
QINGDAO KINGAGROOT CHEMICAL COMPOUNDS CO LTD0 citations47
US10556888B2Feb 11, 2020
Pyrazole compounds or salts thereof, preparation methods therefor, herbicidal compositions and use thereof
QINGDAO KINGAGROOT CHEMICAL COMPOUNDS CO LTD0 citations47
LIAN LEI
2 patentsDAVIS MATTHEW F
2 patentsDAVIS MATTHEW FENTON
1 patentAPPLIED MATERILS INC
1 patentShowing the top 50 of 51 patents by PatentIndex Score.