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

Purnima Narayanan — 19 Patents

Micron: 12 patents #1,354 of 6,374Top 25%
Intel: 3 patents #10,444 of 30,777Top 35%
LGLodestar Licensing Group: 1 patents #26 of 80Top 35%
Boise, ID: #517 of 3,546 inventorsTop 15%
Idaho: #745 of 8,810 inventorsTop 9%
Overall (All Time): #229,345 of 4,157,543Top 6%
19 Patents All Time
Purnima Narayanan has been granted 19 US patents while listed as an inventor at Micron. The first was granted in 2016 and the most recent in September 2025. Purnima Narayanan ranks #229,345 of 4,157,543 US inventors in our database (top 5.5%). Patent records list Purnima Narayanan in Boise, ID, US.

Issued Patents All Time

Showing 1–19 of 19 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12432925 Integrated assemblies which include stacked memory decks, and methods of forming integrated assemblies John D. Hopkins, Justin B. Dorhout, Nirup Bandaru, Damir Fazil, Nancy M. Lomeli +1 more 2025-09-30
12288585 Integrated circuitry comprising a memory array comprising strings of memory cells and methods used in forming a memory array comprising strings of memory cells Alyssa N. Scarbrough, John D. Hopkins, Vinayak Shamanna, Justin D. Shepherdson 2025-04-29
12150303 Integrated assemblies having charge-trapping material arranged in vertically-spaced segments, and methods of forming integrated assemblies Byeung Chul Kim, Francois H. Fabreguette, Richard J. Hill, Shyam Surthi 2024-11-19
12144176 Integrated assemblies having one or more modifying substances distributed within semiconductor material, and methods of forming integrated assemblies John D. Hopkins, Jordan D. Greenlee 2024-11-12
12010850 Integrated assemblies which include stacked memory decks, and methods of forming integrated assemblies John D. Hopkins, Justin B. Dorhout, Nirup Bandaru, Damir Fazil, Nancy M. Lomeli +1 more 2024-06-11
11844202 Integrated circuitry, a method used in forming integrated circuitry, and a method used in forming a memory array comprising strings of memory cells 2023-12-12 $21,682,000
11744072 Integrated assemblies which include stacked memory decks John D. Hopkins, Justin B. Dorhout, Nirup Bandaru, Damir Fazil, Nancy M. Lomeli +1 more 2023-08-29 $10,098,000
11672120 Integrated assemblies having charge-trapping material arranged in vertically-spaced segments, and methods of forming integrated assemblies Byeung Chui Kim, Francois H. Fabreguette, Richard J. Hill, Shyam Surthi 2023-06-06 $9,972,000
11538819 Integrated circuitry, a method used in forming integrated circuitry, and a method used in forming a memory array comprising strings of memory cells 2022-12-27 $11,504,000
11107831 Methods of forming integrated assemblies include stacked memory decks John D. Hopkins, Justin B. Dorhout, Nirup Bandaru, Damir Fazil, Nancy M. Lomeli +1 more 2021-08-31 $19,408,000
11056505 Integrated assemblies having one or more modifying substances distributed within semiconductor material, and methods of forming integrated assemblies John D. Hopkins, Jordan D. Greenlee 2021-07-06 $20,168,000
11037956 Integrated assemblies having charge-trapping material arranged in vertically-spaced segments, and methods of forming integrated assemblies Byeung Chul Kim, Francois H. Fabreguette, Richard J. Hill, Shyam Surthi 2021-06-15 $19,940,000
10879259 Methods and apparatuses having memory cells including a monolithic semiconductor channel Jie Sun, Zhenyu Lu, Roger W. Lindsay, Brian Cleereman, John D. Hopkins +3 more 2020-12-29 $14,732,000
10790290 3D NAND with integral drain-end select gate (SGD) David Daycock, John D. Hopkins, Guoxing Duan, Barbara L. Casey, Christopher J. Larsen +2 more 2020-09-29 $31,444,000
10777576 Integrated assemblies having charge-trapping material arranged in vertically-spaced segments, and methods of forming integrated assemblies Byeung Chul Kim, Francois H. Fabreguette, Richard J. Hill, Shyam Surthi 2020-09-15 $12,657,000
10134758 Memory devices and systems having reduced bit line to drain select gate shorting and associated methods Hongbin Zhu, Jun Zhao, Gordon A. Haller, Damir Fazil 2018-11-20 $25,900,000
10090317 Methods and apparatuses having memory cells including a monolithic semiconductor channel Jie Sun, Zhenyu Lu, Roger W. Lindsay, Brian Cleereman, John D. Hopkins +3 more 2018-10-02 $16,577,000
9741734 Memory devices and systems having reduced bit line to drain select gate shorting and associated methods Hongbin Zhu, Jun Zhao, Gordon A. Haller, Damir Fazil 2017-08-22 $8,061,000
9431410 Methods and apparatuses having memory cells including a monolithic semiconductor channel Jie Sun, Zhenyu Lu, Roger W. Lindsay, Brian Cleereman, John D. Hopkins +3 more 2016-08-30 $10,335,000