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

Ambuj Kumar — 49 Patents

CRCryptography Research: 31 patents #4 of 64Top 7%
FOFortanix: 9 patents #4 of 12Top 35%
NVIDIA: 6 patents #1,201 of 7,811Top 20%
RARambus: 2 patents #324 of 549Top 60%
Panasonic: 1 patents #13,316 of 21,108Top 65%
Sunnyvale, CA: #355 of 14,302 inventorsTop 3%
California: #8,285 of 386,348 inventorsTop 3%
Overall (All Time): #55,592 of 4,157,543Top 2%
49 Patents All Time
Ambuj Kumar has been granted 49 US patents while listed as an inventor at Cryptography Research. The first was granted in 2010 and the most recent in April 2025. Ambuj Kumar ranks #55,592 of 4,157,543 US inventors in our database (top 1.3%). Patent records list Ambuj Kumar in Sunnyvale, CA, US.

Patents per Year

Patents granted per year, 2010 to 2025Bar chart with a peak of 8 patents in 2021.peak 82010: 1 patents20102014: 1 patents2016: 4 patents20162017: 7 patents2018: 1 patents20182019: 5 patents2020: 3 patents20202021: 8 patents2022: 6 patents20222023: 7 patents2024: 4 patents20242025: 2 patents2025

Issued Patents All Time

Showing 1–25 of 49 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12267310 Self-encrypting key management system Anand Kashyap, Jethro Gideon Beekman, Faisal Faruqui 2025-04-01
12229272 Secure computation environment 2025-02-18
12086217 Geo-fencing of an application for a secure cryptographic environment Anand Kashyap 2024-09-10
12050719 Preemption of a container in a secure computation environment William Craig Rawlings, Ronald Perez, Denis Alexandrovich Pochuev, Michael Alexander Hamburg, Paul C. Kocher 2024-07-30
11934323 Diversifying a base symmetric key based on a public key 2024-03-19
11882102 Generating a device identification key from a base key for authentication with a network Philippe Alain Martineau, William Craig Rawlings 2024-01-23
11811908 Outputting a key based on an authorized sequence of operations Megan Anneke Wachs, Benjamin Che-Ming Jun 2023-11-07
11789625 Managing privileges of different entities for an integrated circuit Benjamin Che-Ming Jun, William Craig Rawlings, Mark Evan Marson 2023-10-17
11765149 Secure data provisioning Daniel Robert Beitel, Benjamin Che-Ming Jun 2023-09-19
11706026 Location aware cryptography Mark Evan Marson, Daniel Robert Beitel 2023-07-18
11627117 Secure search service Anand Kashyap, Nehal Bandi 2023-04-11
11627116 Secure computation of multiparty data Anand Kashyap, Nehal Bandi 2023-04-11
11582033 Cryptographic management of lifecycle states Ronald Perez 2023-02-14 $11,786,000
11521203 Generating a cryptographic key based on transaction data of mobile payments Philippe Alain Martineau, William Craig Rawlings, Helena Handschuh 2022-12-06
11481515 Confidential computing workflows Jethro Gideon Beekman, Savvas Savvides, Richard Searle 2022-10-25
11403014 Managing privileges of different entities for an integrated circuit Benjamin Che-Ming Jun, William Craig Rawlings, Mark Evan Marson 2022-08-02
11349822 Runtime encryption plugin for a key management system Anand Kashyap, Jethro Gideon Beekman, Jeffrey Seyfried 2022-05-31
11250134 Secure computation environment 2022-02-15
11216389 Device with multiple roots of trust William Craig Rawlings 2022-01-04
11095684 Providing attributes of a network service Andrew John Leiserson 2021-08-17
11082224 Location aware cryptography Mark Evan Marson, Daniel Robert Beitel 2021-08-03
11042488 Diversifying a base symmetric key based on a public key 2021-06-22
11010494 Preemption of a container in a secure computation environment William Craig Rawlings, Ronald Perez, Denis Alexandrovich Pochuev, Michael Alexander Hamburg, Paul C. Kocher 2021-05-18
10999264 Generating a device identification key from a base key for authentication with a network Philippe Alain Martineau, William Craig Rawlings 2021-05-04
10911538 Management of and persistent storage for nodes in a secure cluster Anand Kashyap, Jethro Gideon Beekman, Faisal Faruqui, Andrew John Leiserson 2021-02-02