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Clifford L. Hansen

IBM: 4 patents #21,733 of 70,183Top 35%
📍 Rochester, MN: #1,080 of 3,042 inventorsTop 40%
🗺 Minnesota: #15,886 of 52,454 inventorsTop 35%
Overall (All Time): #1,115,418 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
12095917 Securely transporting a root key using a privately/public key pair for user-controlled authentication of nodes in a hardware security module cluster David N. Nguyen, Marco Pavone, Garry J. Sullivan, Ross Martin Heninger 2024-09-17
11764972 Generating a hybrid security certificate using multiple cryptosystems Jonathan William Edwards, David Wayne Glass, David Howard Evans, James R. Coon, Richard V. Kisley 2023-09-19
9235702 Personal identification number security enhancement Todd W. Arnold, Elizabeth A. Dames, Carsten D. Frehr, Shelia M. Sittinger 2016-01-12
8639938 Personal identification number security enhancement Todd W. Arnold, Elizabeth A. Dames, Carsten D. Frehr, Shelia M. Sittinger 2014-01-28