P

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 patents
US7169625B2Jan 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 patents
US12049450B2Jul 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 patents

LIAN LEI

2 patents

DAVIS MATTHEW F

2 patents

DAVIS MATTHEW FENTON

1 patent

APPLIED MATERILS INC

1 patent

Showing the top 50 of 51 patents by PatentIndex Score.