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

Akhil Singhal — 26 Patents

Lam Research: 18 patents #152 of 2,128Top 8%
Applied Materials: 5 patents #2,184 of 7,310Top 30%
NSNovellus Systems: 3 patents #254 of 780Top 35%
Portland, OR: #719 of 9,213 inventorsTop 8%
Oregon: #1,582 of 28,073 inventorsTop 6%
Overall (All Time): #150,017 of 4,157,543Top 4%
26 Patents All Time
Akhil Singhal has been granted 26 US patents while listed as an inventor at Lam Research. The first was granted in 2007 and the most recent in August 2025. Akhil Singhal ranks #150,017 of 4,157,543 US inventors in our database (top 3.6%). Patent records list Akhil Singhal in Portland, OR, US.

Patents per Year

Patents granted per year, 2007 to 2025Bar chart with a peak of 6 patents in 2025.peak 62007: 1 patents20072008: 1 patents2011: 1 patents20112016: 1 patents2017: 2 patents20172018: 2 patents2019: 1 patents20192020: 3 patents2021: 2 patents20212023: 4 patents2024: 2 patents20242025: 6 patents2025

Issued Patents All Time

Showing 1–25 of 26 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12381106 Systems and methods of seasoning electrostatic chucks with dielectric seasoning films Allison Yau, Zeqiong Zhao, Sang Jin Kim, Zhijun Jiang, Deenesh Padhi +1 more 2025-08-05
12371781 In situ protective coating of chamber components for semiconductor processing David Charles Smith, Karl Leeser 2025-07-29
12372872 Extreme ultraviolet (EUV) lithography using an intervening layer or a multi-layer stack with varying mean free paths for secondary electron generation Andrew Xiao Liang, Nader Shamma, Rich Wise, Arpan Mahorowala, Gregory Blachut +1 more 2025-07-29
12315724 Helium-free silicon formation Zeqiong Zhao, Allison Yau, Sang Jin Kim, Zhijun Jiang, Deenesh Padhi +1 more 2025-05-27
12248252 Bubble defect reduction Bart J. van Schravendijk, Girish Dixit, David Charles Smith, Siva Kanakasabapathy 2025-03-11
12211908 Profile shaping for control gate recesses Allison Yau, Sang Jin Kim, Zeqiong Zhao, Zhijun Jiang, Deenesh Padhi +1 more 2025-01-28
11915923 Method to clean SnO2 film from chamber Dustin Zachary Austin, Jeongseok Ha, Pei-Chi Liu 2024-02-27 $293,347,000
11887846 Deposition tool and method for depositing metal oxide films on organic materials Patrick A. Van Cleemput 2024-01-30 $261,554,000
11784229 Profile shaping for control gate recesses Allison Yau, Sang Jin Kim, Zeqiong Zhao, Zhijun Jiang, Deenesh Padhi +1 more 2023-10-10 $39,034,000
11717866 Etching metal-oxide and protecting chamber components Dustin Zachary Austin, Alon Ganany, Daniel Boatright 2023-08-08 $393,474,000
11670516 Metal-containing passivation for high aspect ratio etch Karthik S. Colinjivadi, Samantha Tan, Shih-Ked Lee, George Matamis, Yongsik Yu +4 more 2023-06-06 $175,488,000
11646216 Systems and methods of seasoning electrostatic chucks with dielectric seasoning films Allison Yau, Zeqiong Zhao, Sang Jin Kim, Zhijun Jiang, Deenesh Padhi +1 more 2023-05-09 $42,400,000
11031244 Modification of SNO2 surface for EUV lithography Nader Shamma, Dustin Zachary Austin 2021-06-08 $197,833,000
10957514 Apparatus and method for deposition and etch in gap fill Patrick A. Van Cleemput, Martin E. Freeborn, Bart J. van Schravendijk 2021-03-23 $164,801,000
10840082 Method to clean SnO2 film from chamber Dustin Zachary Austin, Jeongseok Ha, Pei-Chi Liu 2020-11-17 $203,446,000
10763107 Methods of encapsulation Bart J. van Schravendijk, Joseph Hung-chi Wei, Bhadri N. Varadarajan, Kevin McLaughlin, Casey Holder +1 more 2020-09-01 $45,225,000
10566186 Methods of encapsulation Bart J. van Schravendijk, Joseph Hung-chi Wei, Bhadri N. Varadarajan, Kevin McLaughlin, Casey Holder +1 more 2020-02-18 $39,150,000
10373806 Apparatus and method for deposition and etch in gap fill Patrick A. Van Cleemput, Martin E. Freeborn, Bart J. van Schravendijk 2019-08-06 $34,626,000
10157736 Methods of encapsulation Bart J. van Schravendijk, Joseph Hung-chi Wei, Bhadri N. Varadarajan, Kevin McLaughlin, Casey Holder +1 more 2018-12-18 $29,777,000
10081869 Defect control in RF plasma substrate processing systems using DC bias voltage during movement of substrates Edward Augustyniak, Christopher Ramsayer, Kareem Boumatar 2018-09-25 $87,167,000
9773643 Apparatus and method for deposition and etch in gap fill Patrick A. Van Cleemput, Martin E. Freeborn, Bart J. van Schravendijk 2017-09-26 $58,058,000
9617637 Systems and methods for improving deposition rate uniformity and reducing defects in substrate processing systems Arul N. Dhas, Brannon Kelley, Jaswinder Guiliani 2017-04-11 $9,143,000
9328416 Method for the reduction of defectivity in vapor deposited films Arul N. Dhas, Ming Li, Kareem Boumatar 2016-05-03 $20,231,000
7998881 Method for making high stress boron-doped carbon films Qingguo Wu, James S. Sims, Mandyam Sriram, Seshasayee Varadarajan 2011-08-16 $14,393,000
7327001 PMOS transistor with compressive dielectric capping layer James S. Sims, Bhadri N. Varadarajan 2008-02-05 $5,570,000