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

Eric D. Rossman — 18 Patents

IBM: 18 patents #6,142 of 70,183Top 9%
Concord, NC: #16 of 366 inventorsTop 5%
North Carolina: #2,621 of 45,564 inventorsTop 6%
Overall (All Time): #245,716 of 4,157,543Top 6%
18 Patents All Time
Eric D. Rossman has been granted 18 US patents while listed as an inventor at IBM. The first was granted in 2013 and the most recent in December 2025. Eric D. Rossman ranks #245,716 of 4,157,543 US inventors in our database (top 5.9%). Patent records list Eric D. Rossman in Concord, NC, US.

Patents per Year

Patents granted per year, 2013 to 2024Bar chart with a peak of 6 patents in 2014.peak 62013: 3 patents20132014: 6 patents20142016: 3 patents20162021: 1 patents20212022: 2 patents20222024: 1 patents2024

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12489642 Identity based hierarchical sessions Volker Urban, Tamas Visegrady, Reinhard T. Buendgen, Michael D. Hocker 2025-12-02
12468859 Selecting an HSM for association to a secure guest Reinhard T. Buendgen, Viktor Mihajlovski, Jonathan D. Bradbury, Harald Freudenberger, Stefanie Eiden +1 more 2025-11-11
11875200 Adjunct processor extended message limit facility Louis P. Gomes, Damian L. Osisek, Harald Freudenberger, Richard J. Moore, Volker Urban +2 more 2024-01-16 $9,068,000
11475147 Implementing policy-based container-level encryption Cecilia Carranza Lewis, Wayne Erwin Rhoten, Mark A. Nelson, John C. Dayka 2022-10-18 $6,904,000
11277262 System generated data set encryption key Eysha S. Powers, Michael J. Jordan, Cecilia Carranza Lewis 2022-03-15 $4,817,000
11095652 Implementing a separation of duties for container security Cecilia Carranza Lewis, Wayne Erwin Rhoten, Mark A. Nelson, John C. Dayka 2021-08-17 $3,119,000
9306745 Secure key management Todd W. Arnold, Elizabeth A. Dames, Carsten D. Frehr, Michael J. Kelly, Kenneth B. Kerr +2 more 2016-04-05 $4,230,000
9288051 Secure key management Todd W. Arnold, Elizabeth A. Dames, Thomas J. Dewkett, Carsten D. Frehr, Michael J. Kelly +3 more 2016-03-15 $3,165,000
9264230 Secure key management Todd W. Arnold, Elizabeth A. Dames, Thomas J. Dewkett, Carsten D. Frehr, Michael J. Kelly +3 more 2016-02-16 $2,821,000
8856520 Secure key management Todd W. Arnold, Elizabeth A. Dames, Carsten D. Frehr, Michael J. Kelly, Kenneth B. Kerr +2 more 2014-10-07 $3,450,000
8789210 Key usage policies for cryptographic keys Todd W. Arnold, Elizabeth A. Dames, Carsten D. Frehr, Michael J. Kelly, Kenneth B. Kerr +2 more 2014-07-22 $5,473,000
8755527 Key management policies for cryptographic keys Todd W. Arnold, Elizabeth A. Dames, Carsten D. Frehr, Michael J. Kelly, Kenneth B. Kerr +2 more 2014-06-17 $4,121,000
8739297 Key usage policies for cryptographic keys Todd W. Arnold, Elizabeth A. Dames, Carsten D. Frehr, Michael J. Kelly, Kenneth B. Kerr +2 more 2014-05-27 $4,024,000
8713709 Key management policies for cryptographic keys Todd W. Arnold, Elizabeth A. Dames, Carsten D. Frehr, Michael J. Kelly, Kenneth B. Kerr +2 more 2014-04-29 $5,775,000
8634561 Secure key management Todd W. Arnold, Elizabeth A. Dames, Carsten D. Frehr, Kenneth B. Kerr, Richard V. Kisley +2 more 2014-01-21 $5,923,000
8619992 Secure key creation Todd W. Arnold, Elizabeth A. Dames, Carsten D. Frehr, Kenneth B. Kerr, Richard V. Kisley +1 more 2013-12-31 $6,686,000
8619990 Secure key creation Todd W. Arnold, Elizabeth A. Dames, Carsten D. Frehr, Kenneth B. Kerr, Richard V. Kisley +1 more 2013-12-31 $6,686,000
8566913 Secure key management Todd W. Arnold, Elizabeth A. Dames, Carsten D. Frehr, Kenneth B. Kerr, Richard V. Kisley +2 more 2013-10-22 $5,163,000