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USPTO Patent Rankings Data through Dec 31, 2025
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Prasanth Kumar Nammalwar — 17 Patents

GE: 11 patents #3,022 of 36,430Top 9%
CSCurrent Lighting Solutions: 5 patents #17 of 175Top 10%
BOBaker Hughes Oilfield Operations: 1 patents #478 of 1,057Top 50%
Savanuru, IN: #19 of 2,628 inventorsTop 1%
Overall (All Time): #263,971 of 4,157,543Top 7%
17 Patents All Time
Prasanth Kumar Nammalwar has been granted 17 US patents while listed as an inventor at GE. The first was granted in 2010 and the most recent in December 2023. Prasanth Kumar Nammalwar ranks #263,971 of 4,157,543 US inventors in our database (top 6.3%). Patent records list Prasanth Kumar Nammalwar in Savanuru, IN.

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11851595 Color stable red-emitting phosphors James Edward Murphy, Anant Achyut Setlur, Florencio Garcia, Robert Joseph Lyons, Ashfaqul Islam Chowdhury +2 more 2023-12-26
11149195 Coated red line emitting phosphors Digamber Gurudas Porob, Srinidhi Ramachandra, Matthew David Butts, James Edward Murphy 2021-10-19
11098246 Color stable red-emitting phosphors James Edward Murphy, Anant Achyut Setlur, Florencio Garcia, Robert Joseph Lyons, Ashfaqul Islam Chowdhury +2 more 2021-08-24
10920136 Processes for synthesizing red-emitting phosphors and related red-emitting phosphors Ravikumar Hanumantha, Digamber Gurudas Porob 2021-02-16
10815423 Red-emitting phosphors, processes and devices Digamber Gurudas Porob, Anant Achyut Setler, James Edward Murphy 2020-10-27
10620324 Radiation detection apparatus and related method Srinidhi Ramachandra, Wusheng Xu, Alok Mani Srivastava, Gopi Chandran Ramachandran, Sergei Ivanovich Dolinsky +1 more 2020-04-14 $9,048,000
10131835 Moisture-resistant phosphor compositions and associate methods Anant Achyut Setlur, Robert Joseph Lyons, James Edward Murphy, Florencio Garcia, Ravikumar Hanumantha 2018-11-20 $12,665,000
9698314 Color stable red-emitting phosphors James Edward Murphy, Anant Achyut Setlur, Florencio Garcia, Robert Joseph Lyons, Ashfaqul Islam Chowdhury +1 more 2017-07-04
9611237 Phosphor materials and related devices Digamber Gurudas Porob, Anant Achyut Setlur, Satya Kishore Manepalli 2017-04-04 $16,377,000
9580648 Color stable red-emitting phosphors James Edward Murphy, Anant Achyut Setlur, Florencio Garcia, Robert Joseph Lyons, Ashfaqul Islam Chowdhury +1 more 2017-02-28 $17,767,000
8906724 Color stable red-emitting phosphors James Edward Murphy, Anant Achyut Setlur, Florencio Garcia, Robert Joseph Lyons, Ashfaqul Islam Chowdhury +1 more 2014-12-09 $12,892,000
8865305 Core shell phosphor and method of making the same Digamber Gurudas Porob, Alok Mani Srivastava, Holly Ann Comanzo, Gopi Chandran Ramachandran 2014-10-21 $12,219,000
8703016 Phosphor materials and related devices Anant Achyut Setlur, Digamber Gurudas Porob, Satya Kishore Manepalli 2014-04-22 $15,916,000
8282703 Rare earth recovery from phosphor material and associated method Karthick Vilapakkam Gourishankar, Alok Mani Srivastava, Satya Kishore Manepalli 2012-10-09 $19,822,000
8137645 Rare earth recovery from fluorescent material and associated method Digamber Gurudas Porob, Alok Mani Srivastava, Gopi Chandran Ramachandran, Holly Ann Comanzo 2012-03-20 $20,475,000
7857994 Green emitting phosphors and blends thereof Anant Achyut Setlur, Oltea Puica Siclovan, Ramesh Rao Sathyanarayan, Digamber Gurudas Porob, Ramachandran Gopi Chandran +3 more 2010-12-28 $46,631,000
7652415 Electrode materials for electric lamps and methods of manufacture thereof Gopi Chandran Ramachandran, Alok Mani Srivastava, Timothy John Sommerer, Suchismita Sanyal, Holly Ann Comanzo +2 more 2010-01-26 $50,857,000