Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Ramkumar Subramanian — 251 Patents

AMD: 218 patents #6 of 9,280Top 1%
C3Carefusion 303: 14 patents #36 of 459Top 8%
Caterpillar: 4 patents #1,672 of 8,398Top 20%
Lam Research: 4 patents #669 of 2,128Top 35%
Globalfoundries: 3 patents #1,029 of 4,424Top 25%
SLSpansion Llc.: 2 patents #309 of 769Top 45%
STSandisk Technologies: 2 patents #1,080 of 2,224Top 50%
University Of Texas System: 1 patents #2,951 of 6,559Top 45%
Microsoft: 1 patents #24,968 of 40,388Top 65%
WTWestern Digital Technologies: 1 patents #1,874 of 3,180Top 60%
MTMatheson Tri-Gas: 1 patents #28 of 47Top 60%
San Diego, CA: #89 of 23,606 inventorsTop 1%
California: #347 of 386,348 inventorsTop 1%
Overall (All Time): #1,977 of 4,157,543Top 1%
251 Patents All Time
Ramkumar Subramanian has been granted 251 US patents while listed as an inventor at AMD. The first was granted in 1999 and the most recent in September 2025. Ramkumar Subramanian ranks #1,977 of 4,157,543 US inventors in our database (top 0.05%). Patent records list Ramkumar Subramanian in San Diego, CA, US.

Issued Patents All Time

Showing 1–25 of 251 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12415033 Real time drip chamber monitor Daniel Abal, Brendan Burgess, Michael Olen Zirkle 2025-09-16
12360850 System recovery during CGI-WL defect Mahim Raj Gupta, Piyush Sagdeo, Lior Avital 2025-07-15
12357537 Locking cap assembly Daniel Abal, Brendan Burgess 2025-07-15
12272438 Modular witnessing device Brendan Burgess, Magnus Felke, Paul Anthony Preziotti, Dugan Joyce, Mustafa Yusufi 2025-04-08
12205074 Secure smart container assembly, systems, and methods Michael Rahilly, Brendan Burgess, Mustafa Yusufi, Monica Wyly 2025-01-21
12125573 Wasting station for medications Daniel Abal, Brendan Burgess, Mustafa Yusufi, Clarence Wu 2024-10-22
12106267 Secure smart container assembly, systems, and methods Michael Rahilly, Brendan Burgess, Mustafa Yusufi, Monica Wyly 2024-10-01
12079772 Interactive inventory storage device, system, and method Michael Rahilly, Brendan Burgess, Mustafa Yusufi, Monica Wyly 2024-09-03
12046095 Secure inventory access and control mechanism Michael Rahilly, Brendan Burgess, Mustafa Yusufi, Monica Wyly 2024-07-23
11857762 Integrated liquid flow closed loop sensing and control Daniel Abal, Brendan Burgess, Jay Dave 2024-01-02
11704190 UECC failure handling method Mahim Raj Gupta, Piyush Sagdeo 2023-07-18 $12,491,000
11681985 Interactive inventory storage device, system, and method Michael Rahilly, Brendan Burgess, Mustafa Yusufi, Monica Wyly 2023-06-20
11657884 Non-volatile memory with efficient testing during erase Jayavel Pachamuthu 2023-05-23
11468404 Secure smart container assembly, systems, and methods Michael Rahilly, Brendan Burgess, Mustafa Yusufi, Monica Wyly 2022-10-11
11113661 Interactive inventory storage device, system, and method Michael Rahilly, Brendan Burgess, Mustafa Yusufi, Monica Wyly 2021-09-07
11100741 Secure inventory access and control mechanism Michael Rahilly, Brendan Burgess, Mustafa Yusufi, Monica Wyly 2021-08-24
10956864 Secure smart container assembly, systems, and methods Michael Rahilly, Brendan Burgess, Mustafa Yusufi, Monica Wyly 2021-03-23
RE47650 Method of tungsten etching Anne Le Gouil, Yoko Yamaguchi 2019-10-15
10242849 System and method for detecting a process point in multi-mode pulse processes Yassine Kabouzi, Jorge Luque, Andrew D. Bailey, III, Mehmet Derya Tetiker, Yoko Yamaguchi 2019-03-26 $25,605,000
9640371 System and method for detecting a process point in multi-mode pulse processes Yassine Kabouzi, Jorge Luque, Andrew D. Bailey, III, Mehmet Derya Tetiker, Yoko Yamaguchi 2017-05-02 $30,081,000
9230825 Method of tungsten etching Anne Le Gouil, Yoko Yamaguchi 2016-01-05 $20,154,000
8932406 In-situ generation of the molecular etcher carbonyl fluoride or any of its variants and its use Glenn Mitchell, Carrie L. Wyse, Robert Torres, Jr. 2015-01-13
8547521 Systems and methods that control liquid temperature in immersion lithography to maintain temperature gradient to reduce turbulence Srikanteswara Dakshina-Murthy, Bhanwar Singh 2013-10-01 $6,159,000
8423280 Vehicle collision avoidance system David James Edwards, David Robert Pavlik, Robert Martin Coats 2013-04-16 $111,394,000
8280621 Vehicle collision avoidance system David James Edwards, David Robert Pavlik, Robert Martin Coats 2012-10-02 $65,364,000