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USPTO Patent Rankings Data through Dec 31, 2025
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Subram Narasimhan — 36 Patents

Amazon: 34 patents #253 of 19,158Top 2%
Saratoga, CA: #267 of 2,933 inventorsTop 10%
California: #13,468 of 386,348 inventorsTop 4%
Overall (All Time): #92,222 of 4,157,543Top 3%
36 Patents All Time
Subram Narasimhan has been granted 36 US patents while listed as an inventor at Amazon. The first was granted in 2002 and the most recent in April 2025. Subram Narasimhan ranks #92,222 of 4,157,543 US inventors in our database (top 2.2%). Patent records list Subram Narasimhan in Saratoga, CA, US.

Issued Patents All Time

Showing 1–25 of 36 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12282895 Image-based item detection and allocation Varadarajan Gopalakrishnan, Omar Zakaria, Dilip Kumar, Sridhar Boyapati, Jin Dong Kim 2025-04-22
11797923 Item detection and transitions Varadarajan Gopalakrishnan, Omar Zakaria, Dilip Kumar, Sridhar Boyapati, Jin Dong Kim 2023-10-24 $217,954,000
11706635 Scalable network architecture Nathan Labadie, Tzung-I Lee, Omar Zakaria, Cheol Su Kim 2023-07-18 $248,707,000
11368173 Network hardware devices organized in a wireless mesh network for content distribution to client device having no internet connectivity Varadarajan Gopalakrishnan, Andrew David Price, In Chul Hyun, Jin Dong Kim 2022-06-21 $198,705,000
10984372 Inventory transitions Varadarajan Gopalakrishnan, Omar Zakaria, Dilip Kumar, Sridhar Boyapati, Jin Dong Kim 2021-04-20 $334,481,000
10949804 Tote based item tracking Varadarajan Gopalakrishnan, Omar Zakaria, Dilip Kumar, Sridhar Boyapati, Jin Dong Kim 2021-03-16 $230,825,000
10939500 Mode switching user device Kenneth Paul Kiraly 2021-03-02 $210,713,000
10860976 Inventory tracking Varadarajan Gopalakrishnan, Omar Zakaria, Dilip Kumar, Sridhar Boyapati, Jin Dong Kim 2020-12-08 $209,909,000
10771939 Orientation of directional antennas using horizontal position information Daniel Buchmueller, Ronald Joseph Degges, Jr., Jin Dong Kim, Gur Kimchi, Sang Eun Lee +1 more 2020-09-08 $193,427,000
10523247 Network hardware devices organized in a wireless mesh network for content distribution to client devices having no internet connectivity Varadarajan Gopalakrishnan, Andrew David Price, In Chul Hyun, Jin Dong Kim 2019-12-31 $86,337,000
10447378 Wireless mesh network for broadband connectivity Jin Dong Kim, Sang Eun Lee, In Chul Hyun, Cheol Su Kim, Varadarajan Gopalakrishnan +1 more 2019-10-15 $86,471,000
10149115 Orientation of directional antennas using horizontal position information Daniel Buchmueller, Ronald Joseph Degges, Jr., Jin Dong Kim, Gur Kimchi, Sang Eun Lee +1 more 2018-12-04 $108,575,000
9888005 Delivery of items for consumption by a user device John Lattyak, Michael V. Rykov, Richard G. Moore, Beryl Tomay, Thomas A. Ryan +9 more 2018-02-06 $100,329,000
9839006 Dual radio architecture for an electronic device operable in a wireless local area network Omar Zakaria, Sam Bowen, Varada Gopalakrishnan, Shih-Chun Chang, In Chul Hyun 2017-12-05 $70,058,000
9706601 Mode switching user device Kenneth Paul Kiraly 2017-07-11 $34,852,000
9590298 Orientation of directional antennas Daniel Buchmueller, Ronald Joseph Degges, Jr., Jin Dong Kim, Gur Kimchi, Sang Eun Lee +1 more 2017-03-07 $42,187,000
9568984 Administrative tasks in a media consumption system Thomas A. Ryan, Gregg Elliott Zehr, Kenneth Paul Kiraly, John Lattyak, Michael V. Rykov +7 more 2017-02-14 $47,349,000
9386427 Communication management based on communication events Girish Bausilal Bajaj, Kenneth Paul Kiraly, Jeffrey P. Bezos 2016-07-05 $78,189,000
9307499 Using sensors to trigger transmit power management Gregg Elliott Zehr, Varadarajan Gopalakrishnan, David C. Buuck, John Depew, In Chul Hyun 2016-04-05 $52,195,000
9294988 Creating a preferred PLMN list for faster service acquisition Pratima Vallurupalli, Siva Rama Kumar Somayajula 2016-03-22 $47,166,000
9268920 Dynamic location based content rights management David George Butler, Andrew David Price, Arvind Thiagarajan, Yi Zhu, Shrinivas Mohan 2016-02-23 $48,935,000
9271208 Dynamic carrier switching Girish Bansilal Bajaj, Siva Rama Kumar Somayajula, Clifton Liu, Varadarajan Gopalakrishnan 2016-02-23 $48,935,000
9178744 Delivery of items for consumption by a user device John Lattyak, Thomas A. Ryan, Gregg Elliott Zehr, Kenneth Paul Kiraly, Michael V. Rykov +9 more 2015-11-03 $84,355,000
9020479 Single version of a user device modem for use with different wireless carriers Siva Rama Kumar Somayajula, Clifton Liu, Kenneth Paul Kiraly, Varadarajan Gopalakrishnan, Jay Praful Desai 2015-04-28 $53,702,000
8965441 Reducing wireless interference with transmit power level management Varadarajan Gopalakrishnan, In Chul Hyun 2015-02-24 $44,394,000