- I. Levi, O. Keren and A. Fish, "Pseudo-Asynchronous digital circuit design", U.S. Patent No: 11,023,632 , granted June 2021.
- I. Levi, R. Giterman, Y. Weizman, O. Keren and, A. Fish, “Secured Memory”, Application Number: 16/769,664, June 2020
- I. Levi, O. Keren, and A. Fish. "Pseudo-asynchronous digital circuit design". U.S. Patent 10,572,619, granted Feb. 2020
- I. Levi, O. Keren, and A. Fish. "Data-dependent delay circuits". U.S. Patent 10,521,530, Dec 2019
- M. Avital, I. Levi, O. Keren and A. Fish, "Randomized Logic against side channel attacks", US patent no. 10,951,39 Granted, Mar. 16, 2021
- A. Fish, A. Kaizerman, I. Levi, and S. Fisher, “Design of dual mode logic circuits,” US patent No: 9,430,598, Granted August 2016
- A. Fish, A. Kaizerman, S. Fisher, and I. Levi, “Device and method for dual-mode logic,” patent No: 8,901,965, Granted December 2014