Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Sriram Iyer — 44 Patents

QUQuantumscape: 19 patents #3 of 58Top 6%
QBQuantumscape Battery: 18 patents #5 of 68Top 8%
CICorning Incorporated: 6 patents #933 of 3,890Top 25%
Corning, NY: #30 of 1,196 inventorsTop 3%
New York: #2,301 of 115,490 inventorsTop 2%
Overall (All Time): #66,838 of 4,157,543Top 2%
44 Patents All Time
Sriram Iyer has been granted 44 US patents while listed as an inventor at Quantumscape. The first was granted in 2013 and the most recent in November 2025. Sriram Iyer ranks #66,838 of 4,157,543 US inventors in our database (top 1.6%). Patent records list Sriram Iyer in Corning, NY, US.

Issued Patents All Time

Showing 1–25 of 44 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12479771 Processes and materials for casting and sintering green garnet thin films Oleh Karpenko, Gengfu Xu, Niall Donnelly, Timothy P. Holme 2025-11-25
12142727 Translucent and transparent separators Cheng-Chieh Chao, Zhebo Chen, Lei Cheng, Niall Donnelly, Tim Holme +5 more 2024-11-12
12119444 Annealed garnet electrolyte separators Arnold Allenic, Cheng-Chieh Chao, Lei Cheng, Niall Donnelly, William H. Gardner +2 more 2024-10-15
12111109 Lithium stuffed garnet setter plates for solid electrolyte fabrication Tim Holme, Niall Donnelly 2024-10-08
12095031 Garnet materials for Li secondary batteries and methods of making and using garnet materials Oleh Karpenko, Niall Donnelly, Timothy P. Holme, Will Hudson, Dong Hee Anna Choi +2 more 2024-09-17
12084387 Processes and materials for casting and sintering green garnet thin films Oleh Karpenko, Gengfu Xu, Niall Donnelly, Tim Holme 2024-09-10
12074281 Lithium-stuffed garnet electrolytes with secondary phase inclusions Larry Beck, Cheng-Chieh Chao, Lei Cheng, Niall Donnelly, William H. Gardner +5 more 2024-08-27
11901506 Lithium-stuffed garnet electrolytes with secondary phase inclusions Larry Beck, Cheng-Chieh Chao, Lei Cheng, Niall Donnelly, William H. Gardner +5 more 2024-02-13
11658338 Garnet materials for li secondary batteries and methods of making and using garnet materials Oleh Karpenko, Niall Donnelly, Tim Holme, Will Hudson, Dong Hee Anna Choi +2 more 2023-05-23
11600857 Garnet materials for Li secondary batteries and methods of making and using garnet materials Oleh Karpenko, Niall Donnelly, Tim Holme, Will Hudson, Dong Hee Anna Choi +2 more 2023-03-07
11592237 Lithium stuffed garnet setter plates for solid electrolyte fabrication Tim Holme, Niall Donnelly 2023-02-28
11581576 Annealed garnet electrolyte separators Arnold Allenic, Cheng-Chieh Chao, Lei Cheng, Niall Donnelly, William H. Gardner +2 more 2023-02-14
11489193 Lithium-stuffed garnet electrolytes with secondary phase inclusions Larry Beck, Cheng-Chieh Chao, Lei Cheng, Niall Donnelly, William H. Gardner +5 more 2022-11-01
11391514 Lithium stuffed garnet setter plates for solid electrolyte fabrication Tim Holme, Niall Donnelly 2022-07-19
11171357 Garnet materials for Li secondary batteries and methods of making and using garnet materials Adrian Winoto, Niall Donnelly, Tim Holme, Will Hudson, Oleh Karpenko +2 more 2021-11-09
11171358 Garnet materials for Li secondary batteries and methods of making and using garnet materials Tim Holme, Niall Donnelly, Will Hudson, Oleh Karpenko, Mohit Singh +2 more 2021-11-09
11165096 Annealed garnet electrolycte separators Arnold Allenic, Cheng-Chieh Chao, Lei Cheng, Niall Donnelly, William H. Gardner +2 more 2021-11-02
11158880 Translucent and transparent separators Cheng-Chieh Chao, Zhebo Chen, Lei Cheng, Niall Donnelly, Tim Holme +5 more 2021-10-26
11139503 Garnet materials for Li secondary batteries and methods of making and using garnet materials Oleh Karpenko, Niall Donnelly, Tim Holme, Will Hudson, Dong Hee Anna Choi +2 more 2021-10-05
10862161 Garnet materials for Li secondary batteries and methods of making and using garnet materials Dong Hee Anna Choi, Niall Donnelly, Tim Holme, Will Hudson, Oleh Karpenko +2 more 2020-12-08 $66,180,000
10840544 Garnet materials for Li secondary batteries and methods of making and using garnet materials Tim Holme, Niall Donnelly, Will Hudson, Oleh Karpenko, Mohit Singh +2 more 2020-11-17 $22,578,000
10804564 Annealed garnet electrolyte separators Arnold Allenic, Cheng-Chieh Chao, Lei Cheng, Niall Donnelly, William H. Gardner +2 more 2020-10-13 $21,057,000
10746468 Lithium stuffed garnet setter plates for solid electrolyte fabrication Tim Holme, Niall Donnelly 2020-08-18
10651502 Garnet materials for Li secondary batteries and methods of making and using garnet materials Tim Holme, Niall Donnelly, Adrian Winoto, Mohit Singh, Will Hudson +2 more 2020-05-12
10563918 Lithium stuffed garnet setter plates for solid electrolyte fabrication Tim Holme, Niall Donnelly 2020-02-18