Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David Kashtan — 14 Patents

IMImprivata: 10 patents #7 of 43Top 20%
Nokia: 1 patents #3,518 of 5,652Top 65%
Microsoft: 1 patents #24,968 of 40,388Top 65%
Santa Cruz, CA: #272 of 1,911 inventorsTop 15%
California: #43,920 of 386,348 inventorsTop 15%
Overall (All Time): #332,869 of 4,157,543Top 9%
14 Patents All Time
David Kashtan has been granted 14 US patents while listed as an inventor at Imprivata. The first was granted in 1999 and the most recent in November 2023. David Kashtan ranks #332,869 of 4,157,543 US inventors in our database (top 8.0%). Patent records list David Kashtan in Santa Cruz, CA, US.

Patents per Year

Patents granted per year, 1999 to 2023Bar chart with a peak of 2 patents in 2021.peak 21999: 1 patents19992000: 1 patents2007: 1 patents20072008: 1 patents2015: 1 patents20152016: 1 patents2017: 1 patents20172018: 1 patents2019: 1 patents20192021: 2 patents2022: 1 patents20222023: 2 patents2023

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11822677 Secure content sharing Edward J. Gaudet, John Gage, Jason Mafera, Eliot Rubinov, Kuntal Sengupta +4 more 2023-11-21
11637837 Secure, non-disruptive firmware updating Pieter-Jan Boone, Lou Bergandi, Feroz Gora, David M. T. Ting, Michael Michlin +3 more 2023-04-25
11520911 Secure content sharing Edward J. Gaudet, John Gage, Jason Mafera, Eliot Rubinov, Kuntal Sengupta +4 more 2022-12-06
11030330 Secure content sharing Edward J. Gaudet, John Gage, Jason Mafera, Eliot Rubinov, Kuntal Sengupta +4 more 2021-06-08
10924493 Secure, non-disruptive firmware updating Pieter-Jan Boone, Lou Bergandi, Feroz Gora, David M. T. Ting, Michael Michlin +3 more 2021-02-16
10187396 Secure, non-disruptive firmware updating Pieter-Jan Boone, Lou Bergandi, Feroz Gora, David M. T. Ting, Michael Michlin +3 more 2019-01-22
10061929 Secure content sharing Edward J. Gaudet, John Gage, Jason Mafera, Eliot Rubinov, Kuntal Sengupta +4 more 2018-08-28
9749335 Secure, non-disruptive firmware updating Pieter-Jan Boone, Lou Bergandi, Feroz Gora, David M. T. Ting, Michael Michlin +3 more 2017-08-29
9525692 Secure content sharing Edward J. Gaudet, John Gage, Jason Mafera, Eliot Rubinov, Kuntal Sengupta +4 more 2016-12-20
9189225 Secure, non-disruptive firmware updating Pieter-Jan Boone, Lou Bergandi, Feroz Gora, David M. T. Ting, Michael Michlin +3 more 2015-11-17 $3,053,000
7454614 Method and apparatus for fault tolerant TCP handshaking Thomas M. Kroeger, Adam Cain, Craig Watkins 2008-11-18 $21,361,000
7305450 Method and apparatus for clustered SSL accelerator Eric Rescorla, Adam Cain, Brian E. Korver, Tom Kroeger, Craig Watkins 2007-12-04 $13,505,000
6078957 Method and apparatus for a TCP/IP load balancing and failover process in an internet protocol (IP) network clustering system Kenneth Allen Adelman, William L. Palter, Derrell D. Piper, II 2000-06-20
6006259 Method and apparatus for an internet protocol (IP) network clustering system Kenneth Allen Adelman, William L. Palter, Derrell D. Piper, II 1999-12-21