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

Thamarai S. Devarajan — 19 Patents

IBM: 19 patents #5,793 of 70,183Top 9%
Albany, NY: #91 of 790 inventorsTop 15%
New York: #7,469 of 115,490 inventorsTop 7%
Overall (All Time): #229,345 of 4,157,543Top 6%
19 Patents All Time
Thamarai S. Devarajan has been granted 19 US patents while listed as an inventor at IBM. The first was granted in 2016 and the most recent in December 2025. Thamarai S. Devarajan ranks #229,345 of 4,157,543 US inventors in our database (top 5.5%). Patent records list Thamarai S. Devarajan in Albany, NY, US.

Patents per Year

Patents granted per year, 2016 to 2024Bar chart with a peak of 5 patents in 2018.peak 52016: 1 patents20162017: 3 patents20172018: 5 patents20182019: 4 patents20192020: 2 patents20202021: 1 patents20212022: 1 patents20222024: 1 patents2024

Issued Patents All Time

Showing 1–19 of 19 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12494408 Double patterned microcooler having alternating fin widths Fee Li Lie, Sagarika Mukesh, Devika Sarkar Grant, Hosadurga Shobha, Kamal K. Sikka 2025-12-09
12148699 High aspect ratio buried power rail metallization Sagarika Mukesh, Devika Sarkar Grant, Fee Li Lie, Hosadurga Shobha, Aakrati Jain 2024-11-19 $17,641,000
11302797 Approach to bottom dielectric isolation for vertical transport fin field effect transistors Zhenxing Bi, Balasubramanian Pranatharthiharan, Sanjay C. Mehta, Muthumanickam Sankarapandian 2022-04-12 $4,292,000
10896816 Silicon residue removal in nanosheet transistors Zhenxing Bi, Nicolas Loubet, Binglin Miao, Muthumanickam Sankarapandian, Charan V. Surisetty +2 more 2021-01-19 $4,840,000
10840354 Approach to bottom dielectric isolation for vertical transport fin field effect transistors Zhenxing Bi, Balasubramanian Pranatharthiharan, Sanjay C. Mehta, Muthumanickam Sankarapandian 2020-11-17 $2,639,000
10629702 Approach to bottom dielectric isolation for vertical transport fin field effect transistors Zhenxing Bi, Balasubramanian Pranatharthiharan, Sanjay C. Mehta, Muthumanickam Sankarapandian 2020-04-21 $2,793,000
10388571 Fin type field effect transistors with different pitches and substantially uniform fin reveal Zhenxing Bi, Kangguo Cheng, Balasubramanian Pranatharthiharan 2019-08-20 $1,949,000
10366928 Hybridization fin reveal for uniform fin reveal depth across different fin pitches Zhenxing Bi, Donald F. Canaperi, Sivananda K. Kanakasabapathy, Fee Li Lie, Peng Xu 2019-07-30 $4,347,000
10355109 Spacer formation on semiconductor device Sanjay C. Mehta, Eric R. Miller, Soon-Cheon Seo 2019-07-16 $4,107,000
10242882 Cyclic etch process to remove dummy gate oxide layer for fin field effect transistor fabrication Zhenxing Bi, Donald F. Canaperi, Sean Teehan 2019-03-26 $2,148,000
10163721 Hybridization fin reveal for uniform fin reveal depth across different fin pitches Zhenxing Bi, Donald F. Canaperi, Sivananda K. Kanakasabapathy, Fee Li Lie, Peng Xu 2018-12-25
10020229 Fin type field effect transistors with different pitches and substantially uniform fin reveal Zhenxing Bi, Kangguo Cheng, Balasubramanian Pranatharthiharan 2018-07-10 $4,870,000
9997352 Polysilicon residue removal in nanosheet MOSFETs Zhenxing Bi, Donald F. Canaperi, Nicolas Loubet 2018-06-12 $1,886,000
9935015 Hybridization fin reveal for uniform fin reveal depth across different fin pitches Zhenxing Bi, Donald F. Canaperi, Sivananda K. Kanakasabapathy, Fee Li Lie, Peng Xu 2018-04-03 $2,801,000
9911831 Spacer formation on semiconductor device Sanjay C. Mehta, Eric R. Miller, Soon-Cheon Seo 2018-03-06 $2,330,000
9754798 Hybridization fin reveal for uniform fin reveal depth across different fin pitches Zhenxing Bi, Donald F. Canaperi, Sivananda K. Kanakasabapathy, Fee Li Lie, Peng Xu 2017-09-05 $2,785,000
9691765 Fin type field effect transistors with different pitches and substantially uniform fin reveal Zhenxing Bi, Kangguo Cheng, Balasubramanian Pranatharthiharan 2017-06-27 $2,603,000
9679780 Polysilicon residue removal in nanosheet MOSFETs Zhenxing Bi, Donald F. Canaperi, Nicolas Loubet 2017-06-13 $2,356,000
9443855 Spacer formation on semiconductor device Sanjay C. Mehta, Eric R. Miller, Soon-Cheon Seo 2016-09-13 $4,023,000