Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Carsten D. Frehr — 22 Patents

IBM: 22 patents #4,922 of 70,183Top 8%
Overall (All Time): #189,202 of 4,157,543Top 5%
22 Patents All Time
Carsten D. Frehr has been granted 22 US patents while listed as an inventor at IBM. The first was granted in 2010 and the most recent in April 2016. Carsten D. Frehr ranks #189,202 of 4,157,543 US inventors in our database (top 4.6%). Patent records list Carsten D. Frehr in Farum, DE, DK.

Patents per Year

Patents granted per year, 2010 to 2016Bar chart with a peak of 8 patents in 2014.peak 82010: 1 patents20102011: 1 patents20112013: 4 patents20132014: 8 patents20142015: 4 patents20152016: 4 patents2016

Issued Patents All Time

Showing 1–22 of 22 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9306745 Secure key management Todd W. Arnold, Elizabeth A. Dames, Michael J. Kelly, Kenneth B. Kerr, Richard V. Kisley +2 more 2016-04-05 $4,230,000
9288051 Secure key management Todd W. Arnold, Elizabeth A. Dames, Thomas J. Dewkett, Michael J. Kelly, Kenneth B. Kerr +3 more 2016-03-15 $3,165,000
9264230 Secure key management Todd W. Arnold, Elizabeth A. Dames, Thomas J. Dewkett, Michael J. Kelly, Kenneth B. Kerr +3 more 2016-02-16 $2,821,000
9235702 Personal identification number security enhancement Todd W. Arnold, Elizabeth A. Dames, Clifford L. Hansen, Shelia M. Sittinger 2016-01-12 $5,327,000
9178703 Method of protecting a control vector in an optional block of a standard key block Todd W. Arnold, Richard V. Kisley 2015-11-03 $3,716,000
9081971 Method of parsing optional block data Todd W. Arnold, Richard V. Kisley 2015-07-14 $7,900,000
8953792 Combining key control information in common cryptographic architecture services Todd W. Arnold, Richard V. Kisley 2015-02-10 $3,717,000
8953789 Combining key control information in common cryptographic architecture services Todd W. Arnold, Richard V. Kisley 2015-02-10 $3,717,000
8856520 Secure key management Todd W. Arnold, Elizabeth A. Dames, Michael J. Kelly, Kenneth B. Kerr, Richard V. Kisley +2 more 2014-10-07 $3,450,000
8789210 Key usage policies for cryptographic keys Todd W. Arnold, Elizabeth A. Dames, Michael J. Kelly, Kenneth B. Kerr, Richard V. Kisley +2 more 2014-07-22 $5,473,000
8755527 Key management policies for cryptographic keys Todd W. Arnold, Elizabeth A. Dames, Michael J. Kelly, Kenneth B. Kerr, Richard V. Kisley +2 more 2014-06-17 $4,121,000
8739297 Key usage policies for cryptographic keys Todd W. Arnold, Elizabeth A. Dames, Michael J. Kelly, Kenneth B. Kerr, Richard V. Kisley +2 more 2014-05-27 $4,024,000
8713709 Key management policies for cryptographic keys Todd W. Arnold, Elizabeth A. Dames, Michael J. Kelly, Kenneth B. Kerr, Richard V. Kisley +2 more 2014-04-29 $5,775,000
8675871 Protecting a control vector in an optional block of a standard key block Todd W. Arnold, Richard V. Kisley 2014-03-18 $3,993,000
8639938 Personal identification number security enhancement Todd W. Arnold, Elizabeth A. Dames, Clifford L. Hansen, Shelia M. Sittinger 2014-01-28 $3,630,000
8634561 Secure key management Todd W. Arnold, Elizabeth A. Dames, Kenneth B. Kerr, Richard V. Kisley, Michael J. Kelly +2 more 2014-01-21 $5,923,000
8619990 Secure key creation Todd W. Arnold, Elizabeth A. Dames, Kenneth B. Kerr, Richard V. Kisley, Eric D. Rossman +1 more 2013-12-31 $6,686,000
8619992 Secure key creation Todd W. Arnold, Elizabeth A. Dames, Kenneth B. Kerr, Richard V. Kisley, Eric D. Rossman +1 more 2013-12-31 $6,686,000
8566913 Secure key management Todd W. Arnold, Elizabeth A. Dames, Kenneth B. Kerr, Richard V. Kisley, Michael J. Kelly +2 more 2013-10-22 $5,163,000
8538939 Parsing optional block data Todd W. Arnold, Richard V. Kisley 2013-09-17 $4,204,000
7908474 Method for improved key management for ATMs and other remote devices Todd W. Arnold, Elizabeth A. Dames, Kurt S. Jacobsen, Michael J. Kelly, Mark D. Marik +1 more 2011-03-15 $6,222,000
7779258 Method for controlling security function execution with a flexible, extendable, and non-forgable block Todd W. Arnold, Elizabeth A. Dames, Kurt S. Jacobsen, Michael J. Kelly, Mark D. Marik +1 more 2010-08-17 $4,695,000