Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Lei Lian — 33 Patents

Applied Materials: 33 patents #331 of 7,310Top 5%
Fremont, CA: #449 of 9,298 inventorsTop 5%
California: #15,252 of 386,348 inventorsTop 4%
Overall (All Time): #105,480 of 4,157,543Top 3%
33 Patents All Time
Lei Lian has been granted 33 US patents while listed as an inventor at Applied Materials. The first was granted in 2007 and the most recent in August 2025. Lei Lian ranks #105,480 of 4,157,543 US inventors in our database (top 2.5%). Patent records list Lei Lian in Fremont, CA, US.

Patents per Year

Patents granted per year, 2007 to 2025Bar chart with a peak of 5 patents in 2024.peak 52007: 3 patents20072008: 2 patents2009: 1 patents20092010: 4 patents2011: 2 patents20112012: 4 patents2015: 2 patents20152016: 1 patents2017: 1 patents20172021: 1 patents2022: 1 patents20222023: 3 patents2024: 5 patents20242025: 3 patents2025

Issued Patents All Time

Showing 1–25 of 33 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12385803 Endpoint detection system for enhanced spectral data collection Pengyu Han 2025-08-12
12265377 Autonomous substrate processing system Priyadarshi Panda, Pengyu Han, Todd Egan, Prashant Aji, Eli Mor +2 more 2025-04-01
12237158 Etch feedback for control of upstream process Priyadarshi Panda, Leonard Tedeschi 2025-02-25
12078547 Etalon thermometry for plasma environments Bruce E. Adams, Samuel C. Howells, Alvaro Garcia, Barry Craver, Tony Jefferson GNANAPRAKASA 2024-09-03 $44,731,000
12066639 Adjustable achromatic collimator assembly for endpoint detection systems Pengyu Han, John Anthony O'MALLEY, III, Michael N. Grimbergen, Upendra Ummethala, Michael Kutney 2024-08-20 $94,413,000
12046522 Endpoint detection in low open area and/or high aspect ratio etch applications Quentin Ernie Walker, Zefang WANG, Shinichi Koseki 2024-07-23 $84,339,000
11965798 Endpoint detection system for enhanced spectral data collection Pengyu Han 2024-04-23 $64,043,000
11901203 Substrate process endpoint detection using machine learning Pengyu Han, Shu-Yu Chen, Todd Egan, Wan Hsueh Lai, Chao-Hsien Lee +3 more 2024-02-13 $47,589,000
11735401 In-situ optical chamber surface and process sensor Chuang-Chia Lin, Upendra Ummethala, Steven E. Babayan 2023-08-22 $40,609,000
11719952 Adjustable achromatic collimator assembly for endpoint detection systems Pengyu Han, John Anthony O'MALLEY, III, Michael N. Grimbergen, Upendra Ummethala, Michael Kutney 2023-08-08 $46,911,000
11709477 Autonomous substrate processing system Priyadarshi Panda, Pengyu Han, Todd Egan, Prashant Aji, Eli Mor +2 more 2023-07-25 $93,796,000
11421977 Eliminating internal reflections in an interferometric endpoint detection system Pengyu Han 2022-08-23 $37,610,000
11114286 In-situ optical chamber surface and process sensor Chuang-Chia Lin, Upendra Ummethala, Steven E. Babayan 2021-09-07 $49,370,000
9601396 3D NAND staircase CD control by using interferometric endpoint detection 2017-03-21 $25,880,000
9240359 3D NAND staircase CD control by using interferometric endpoint detection 2016-01-19 $15,148,000
9200950 Pulsed plasma monitoring using optical sensor and a signal analyzer forming a mean waveform Quentin Ernie Walker, Dermot Cantwell 2015-12-01 $8,913,000
8956886 Embedded test structure for trimming process control Samer Banna, Olivier Joubert, Maxime Darnon, Nicolas Posseme, Laurent Vallier 2015-02-17 $27,626,000
8274645 Method and apparatus for in-situ metrology of a workpiece disposed in a vacuum processing chamber Matthew F. Davis, Thorsten Lill 2012-09-25 $16,356,000
8257546 Method and system for monitoring an etch process Matthew F. Davis, John M. Yamartino 2012-09-04 $11,311,000
8232212 Within-sequence metrology based process tuning for adaptive self-aligned double patterning Matthew F. Davis, Thorsten Lill 2012-07-31 $11,506,000
8130382 Determining endpoint in a substrate process Matthew F. Davis 2012-03-06 $9,163,000
8009938 Advanced process sensing and control using near infrared spectral reflectometry Matthew F. Davis 2011-08-30 $11,098,000
7969581 Determining endpoint in a substrate process Matthew F. Davis 2011-06-28 $3,915,000
7815812 Method for controlling a process for fabricating integrated devices Matthew F. Davis, Barbara Schmidt 2010-10-19 $11,079,000
7808651 Determining endpoint in a substrate process Matthew F. Davis 2010-10-05 $8,418,000