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USPTO Patent Rankings Data through Dec 31, 2025
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Sankaran Narayanan — 28 Patents

Microsoft: 28 patents #973 of 40,388Top 3%
Redmond, WA: #345 of 8,547 inventorsTop 5%
Washington: #2,866 of 76,902 inventorsTop 4%
Overall (All Time): #134,628 of 4,157,543Top 4%
28 Patents All Time
Sankaran Narayanan has been granted 28 US patents while listed as an inventor at Microsoft. The first was granted in 2009 and the most recent in July 2020. Sankaran Narayanan ranks #134,628 of 4,157,543 US inventors in our database (top 3.2%). Patent records list Sankaran Narayanan in Redmond, WA, US.

Issued Patents All Time

Showing 1–25 of 28 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10713273 Reactivation of service objects using call back address for a communication event Namendra Kumar, Uladzimir A. Skuratovich, Abhilash Chandrasekharan Nair, Adit A. Dalvi 2020-07-14 $94,985,000
9881070 Controlling service functions in response to service instigation and service reactivation messages Namendra Kumar, Uladzimir A. Skuratovich, Abhilash Chandrasekharan Nair, Adit A. Dalvi 2018-01-30 $43,259,000
9871799 Enabling trusted conferencing services Krishnan Ananthanarayanan, Dhigha Sekaran 2018-01-16 $39,938,000
9826000 Effecting communication events Namendra Kumar, Uladzimir A. Skuratovich, Abhilash Chandrasekharan Nair, Adit A. Dalvi 2017-11-21 $35,505,000
9621561 Enabling trusted conferencing services Krishnan Ananthanarayanan, Dhigha Sekaran 2017-04-11 $44,947,000
9535805 Resilient routing for session initiation protocol based communication systems Krishnan Ananthanarayanan, Vijay Manian, Dhigha Sekharan 2017-01-03 $30,922,000
9351203 Voice call continuity in hybrid networks Gursharan Sidhu, Humayun Mukhtar Khan, Tony Bell, Namendra Kumar, Mahendra D. Sekaran +9 more 2016-05-24 $39,484,000
9141685 Front end and backend replicated storage Krishnan Ananthanarayanan, Dhigha D. Sekaran 2015-09-22 $38,392,000
9065903 User-based authentication for realtime communications Anton Krantz, Amey Parandekar, Vadim Eydelman, Namendra Kumar, Sachin Sheth 2015-06-23 $32,988,000
9066284 System, method and device for call policy enforcement and routing based on user location Vijay Manian, Mahendra D. Sekaran, Dhigha D. Sekaran, Sundaram Anantharaman, Lingzhi Cao 2015-06-23 $32,988,000
8972594 Media mix wiring protocol for media control Srivatsa Srinivasan, Timothy M. Moore, Dhigha D. Sekaran 2015-03-03 $20,156,000
8931051 Scalable and highly available clustering for large scale real-time applications Namendra Kumar, Krishnan Ananthanarayanan, Dhigha D. Sekaran, Vadim Eydelman 2015-01-06 $23,359,000
8880725 Continuous replication for session initiation protocol based communication systems Krishnan Ananthanarayanan, Dhigha Sekaran 2014-11-04 $37,690,000
8874668 Directing messages based on domain names Vadim Eydelman, Namendra Kumar, Bimal Mehta 2014-10-28 $24,713,000
8817777 Hybrid unified communications deployment between cloud and on-premise Vijay Manian, Russell Andrew Penar, Mahendra D. Sekaran, Danny Levin, Roy D. Kuntz 2014-08-26 $21,459,000
8645465 High availability conferencing Dhigha D. Sekaran, Deepak Rao 2014-02-04 $20,363,000
8391452 User-based authentication for realtime communications Anton Krantz, Amey Parandekar, Vadim Eydelman, Namendra Kumar, Sachin Sheth 2013-03-05 $13,509,000
8392589 Integrating enterprise identity authorization in conferences Krishnan Ananthanarayanan, Dhigha Sekaran, Srivatsa Srinivasan 2013-03-05 $13,509,000
8315165 Survivable and resilient real time communication architecture Vadim Eydelman, Dhigha D. Sekaran, Mahendra D. Sekaran, Bimal Mehta, Amey Parandekar 2012-11-20 $16,799,000
8179899 Endpoint selection for a call completion response Parag Samdadiya, Sameer D. Bedekar 2012-05-15 $19,036,000
8166184 Integrating enterprise identity authorization in conferences Krishnan Ananthanarayanan, Dhigha Sekaran, Srivatsa Srinivasan 2012-04-24 $16,249,000
8150917 High availability conferencing Dhigha D. Sekaran, Deepak Rao 2012-04-03 $18,463,000
8073906 Inviting a conferencing unaware endpoint to a conference Dhigha D. Sekaran 2011-12-06 $11,336,000
8005895 Distributed routing of conferences using conference identifier Dhigha D. Sekaran, Charles A. Vermette, Hao Yan 2011-08-23 $12,314,000
7937442 Multipoint control unit (MCU) failure detection and rollover Dhigha D. Sekaran 2011-05-03 $28,388,000