Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Sivakumar Nagarajan — 31 Patents

BLBlackberry Limited: 19 patents #166 of 2,554Top 7%
2O2236008 Ontario: 12 patents #4 of 169Top 3%
Intel: 6 patents #6,200 of 30,777Top 25%
Bank of America: 3 patents #1,269 of 5,361Top 25%
QLQnx Software Systems Limited: 1 patents #32 of 57Top 60%
Adobe: 1 patents #2,568 of 4,589Top 60%
Ottawa, CA: #135 of 6,399 inventorsTop 3%
Overall (All Time): #115,823 of 4,157,543Top 3%
31 Patents All Time
Sivakumar Nagarajan has been granted 31 US patents while listed as an inventor at Blackberry Limited. The first was granted in 2011 and the most recent in October 2025. Sivakumar Nagarajan ranks #115,823 of 4,157,543 US inventors in our database (top 2.8%). Patent records list Sivakumar Nagarajan in Ottawa, ON, CA.

Patents per Year

Patents granted per year, 2011 to 2023Bar chart with a peak of 12 patents in 2016.peak 122011: 1 patents20112013: 1 patents2014: 2 patents20142015: 3 patents2016: 12 patents20162017: 3 patents2018: 2 patents20182019: 3 patents2020: 1 patents20202022: 1 patents2023: 1 patents2023

Issued Patents All Time

Showing 1–25 of 31 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12456463 System and method to integrate microservices in interactive voice response (IVR) operations Amiya R Sahoo, Scott Steven Randrup, Robert E. Lutzkow, Jr., Sergey Alexandrov, Nipun Mahajan +6 more 2025-10-28
11677872 Secure remote data submission for IVR systems Juraj Partila, Yogesh Raghuvanshi, Saurabh Mehta, Dhiraj Jain, ChiaHsun Lin +2 more 2023-06-13 $385,693,000
RE49194 Method and apparatus for controlling access to encrypted data Roger Paul Bowman, Christopher Lyle Bender, Timothy Lee Segato 2022-08-30
10848435 Method and system for administering multiple domain management authorities on a mobile device Daniel Jonas Major, Kevin Goodman 2020-11-24 $5,788,000
10475715 Two material high K thermal encapsulant system Venmathy McMahan, Elah Bozorg-Grayeli, Amrita Mallik, Kuang-Han Chu, Liwei Wang +3 more 2019-11-12 $21,873,000
10394602 System and method for coordinating process and memory management across domains Ravi Singh, Daniel Jonas Major, Kevin Goodman 2019-08-27 $3,246,000
10178238 Method and system for dynamic cellular networking activation for virtual SIM service Peter Steven Pieda, Mark De Abreu, Barry Fraser Yerxa, Pierre Pierre Blais, Thomas Leonard Trevor Plestid +1 more 2019-01-08 $2,591,000
10152589 Searching data using pre-prepared search data Ryan Waters, Martello Michealangelo Jones 2018-12-11 $8,971,000
10115606 Methods of promoting adhesion between underfill and conductive bumps and structures formed thereby Yiqun Bai, Yuying Wei, Arjun Krishnan, Suriyakala Ramalingam, Yonghao Xiu +3 more 2018-10-30 $31,457,000
9794418 Method and system for dynamic cellular networking activation for virtual SIM service Peter Steven Pieda, Mark De Abreu, Barry Fraser Yerxa, Pierre Pierre Blais, Thomas Leonard Trevor Plestid +1 more 2017-10-17 $5,932,000
9698975 Key management on device for perimeters Srdan Dikic, Mark McConnaughay, Christopher Lyle Bender, Marius Bozsitz 2017-07-04
9692788 Method and system for domain creation and bootstrapping Daniel Jonas Major, Calin Marius BOZSITZ, Srdan Dikic 2017-06-27 $3,415,000
9524488 Method and apparatus pertaining to sharing information via a private data area Geordon Thomas Ferguson, Daniel Jonas Major, Danny Thomas Dodge 2016-12-20 $3,206,000
9504168 Fluxing-encapsulant material for microelectronic packages assembled via thermal compression bonding process Sandeep Razdan, Nisha Ananthakrishnan, Craig J. Weinman, Kabirkumar Mirpuri 2016-11-22 $9,157,000
9501336 System and method for unifying the listing and launching of applications and packages spread across multiple domains Ravi Singh, Daniel Jonas Major, Kevin Goodman 2016-11-22 $1,982,000
9497220 Dynamically generating perimeters Daniel Cardamore, Darrell Reginald May, Carl Lloyd Cherry 2016-11-15 $2,369,000
9479541 Sharing data across profiles Ravi Singh, Daniel Jonas Major 2016-10-25 $1,904,000
9467329 Coordinating activity views across operating system domains Ravi Singh, Daniel Jonas Major, Kevin Goodman 2016-10-11 $1,762,000
9465708 System and method to proactively and intelligently schedule disaster recovery (DR) drill(s)/test(s) in computing system environment Devendra Garg, Vinodraj Kuppusamy, Ravi Kumar Raghunathan 2016-10-11
9426145 Designation of classes for certificates and keys Alan Pak-Lun Ho, Chi Chiu Tse, Michael J. Mueller 2016-08-23 $2,231,000
9342699 Method and apparatus for controlling access to encrypted data Roger Paul Bowman, Christopher Lyle Bender, Timothy Lee Segato 2016-05-17 $2,089,000
9330993 Methods of promoting adhesion between underfill and conductive bumps and structures formed thereby Yiqun Bai, Yuying Wei, Arjun Krishnan, Suriyakala Ramalingam, Yonghao Xiu +3 more 2016-05-03 $11,131,000
9292525 Searching data using pre-prepared search data Ryan Waters, Martello Michealangelo Jones 2016-03-22
9245815 Underfill material including block copolymer to tune coefficient of thermal expansion and tensile modulus 2016-01-26 $9,792,000
9075955 Managing permission settings applied to applications Adam Richard Schieman, Daniel Jonas Major, Kevin Goodman 2015-07-07 $2,441,000