Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Kallol Bera — 78 Patents

Applied Materials: 74 patents #80 of 7,310Top 2%
ASAdvanced Thermal Sciences: 7 patents #3 of 15Top 20%
BAB/E Aerospace: 7 patents #80 of 810Top 10%
San Jose, CA: #434 of 32,062 inventorsTop 2%
California: #3,628 of 386,348 inventorsTop 1%
Overall (All Time): #23,712 of 4,157,543Top 1%
78 Patents All Time
Kallol Bera has been granted 78 US patents while listed as an inventor at Applied Materials. The first was granted in 2008 and the most recent in November 2025. Kallol Bera ranks #23,712 of 4,157,543 US inventors in our database (top 0.57%). Patent records list Kallol Bera in San Jose, CA, US.

Patents per Year

Patents granted per year, 2008 to 2025Bar chart with a peak of 12 patents in 2011.peak 122008: 1 patents20082009: 4 patents2010: 4 patents20102011: 12 patents2012: 9 patents20122013: 4 patents2014: 5 patents20142015: 2 patents2016: 3 patents20162017: 4 patents2018: 2 patents20182019: 3 patents2020: 4 patents20202021: 5 patents2022: 2 patents20222023: 4 patents2024: 7 patents20242025: 3 patents2025

Issued Patents All Time

Showing 1–25 of 78 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12460298 Showerhead design to control stray deposition Akshay Dhanakshirur, Juan Carlos Rocha-Alvarez, Kaushik Alayavalli, Jay D. Pinson, II, Rick Kustra +7 more 2025-11-04
12228534 Capacitive sensor for monitoring gas concentration Xiaopu Li, Yaoling Pan, Kelvin Chan, Amir Bayati, Philip Allan Kraus +2 more 2025-02-18
12224156 Microwave plasma source for spatial plasma enhanced atomic layer deposition (PE-ALD) processing tool Xiaopu Li, Jozef Kudela, Tsutomu Tanaka, Dmitry A. Dzilno 2025-02-11
12142458 Symmetric plasma source to generate pie-shaped treatment Anantha K. Subramani, Farzad Houshmand, Philip Allan Kraus, Abhishek Chowdhury, John C. Forster 2024-11-12 $39,712,000
12020965 Magnetic holding structures for plasma processing applications Andrew Nguyen, Sathya Swaroop Ganta, Canfeng Lai 2024-06-25 $57,214,000
12002654 Modular high-frequency source Thai Cheng Chua, Christian Amormino, Hanh Nguyen, Philip Allan Kraus 2024-06-04 $68,807,000
11984302 Magnetic-material shield around plasma chambers near pedestal Job George Konnoth Joseph, Sathya Swaroop Ganta, Andrew Nguyen, Jay D. Pinson, II, Akshay Dhanakshirur +6 more 2024-05-14 $61,768,000
11959174 Shunt door for magnets in plasma process chamber Sathya Swaroop Ganta, Timothy Joseph Franklin, Kaushik Alayavalli, Akshay Dhanakshirur, Stephen C. Garner +1 more 2024-04-16 $82,852,000
11959868 Capacitive sensor for monitoring gas concentration Xiaopu Li, Yaoling Pan, Kelvin Chan, Amir Bayati, Philip Allan Kraus +2 more 2024-04-16 $82,852,000
11908662 Device and method for tuning plasma distribution using phase control Xiaopu Li, Edward P. Hammond, IV, Jonghoon Baek, Amit Kumar BANSAL, Jun Ma +1 more 2024-02-20 $66,055,000
11823871 Microwave plasma source for spatial plasma enhanced atomic layer deposition (PE-ALD) processing tool Jozef Kudela, Tsutomu Tanaka, Alexander V. Garachtchenko, Dmitry A. Dzilno, Avinash Shervegar +3 more 2023-11-21 $39,416,000
11810810 Contour pocket and hybrid susceptor for wafer uniformity Kaushal Gangakhedkar, Joseph Yudovsky 2023-11-07 $37,048,000
11581206 Capacitive sensor for chamber condition monitoring Yaoling Pan, Patrick Tae, Leonard Tedeschi, Jennifer Y. Sun, Philip Allan Kraus +6 more 2023-02-14 $35,617,000
11557501 Contour pocket and hybrid susceptor for wafer uniformity Kaushal Gangakhedkar, Joseph Yudovsky 2023-01-17 $39,427,000
11315769 Plasma source for rotating susceptor Anantha K. Subramani, John C. Forster, Philip Allan Kraus, Farzad Houshmand, Hanhong Chen 2022-04-26 $43,127,000
11315763 Shaped electrodes for improved plasma exposure from vertical plasma source Dmitry A. Dzilno, Anantha K. Subramani, John C. Forster, Tsutomu Tanaka 2022-04-26 $43,127,000
11198939 Recursive inject apparatus for improved distribution of gas Aaron Miller 2021-12-14 $102,368,000
11189502 Showerhead with interlaced gas feed and removal and methods of use Shahid Rauf, James D. Carducci, Vladimir Knyazik, Anantha K. Subramani 2021-11-30 $50,552,000
11114284 Plasma reactor with electrode array in ceiling Kenneth S. Collins, Michael R. Rice, Kartik Ramaswamy, James D. Carducci, Shahid Rauf 2021-09-07 $49,370,000
11081317 Modular high-frequency source Thai Cheng Chua, Christian Amormino, Hanh Nguyen, Philip Allan Kraus 2021-08-03 $89,613,000
10903056 Plasma source for rotating susceptor Anantha K. Subramani, John C. Forster, Philip Allan Kraus, Farzad Houshmand, Hanhong Chen 2021-01-26 $35,448,000
10879042 Symmetric plasma source to generate pie shaped treatment Anantha K. Subramani, Farzad Houshmand, Philip Allan Kraus, Abhishek Chowdhury, John C. Forster 2020-12-29 $47,583,000
10763085 Shaped electrodes for improved plasma exposure from vertical plasma source Dmitry A. Dzilno, Anantha K. Subramani, John C. Forster, Tsutomu Tanaka 2020-09-01 $30,946,000
10685864 Contour pocket and hybrid susceptor for wafer uniformity Kaushal Gangakhedkar, Joseph Yudovsky 2020-06-16 $36,933,000
10633741 Recursive inject apparatus for improved distribution of gas Aaron Miller 2020-04-28 $15,875,000