Feng Li is a Project Assistant Professor at Nagoya University.His research interests are superconductor digital, quantum and neural network circuits with novel Josephson devices.Member of Japan Society of Applied Physics. Reviewer of the Journals of Superconductor Science and Technology, Quantum Science and Technology and Superconductivity.Publised papers on AIP Advances, Chin. Phys. Lett., Phys. Rev. B, Appl. Phys. Lett., Supercond. Sci. Technol., and IEEE Trans. Appl. Superconduct. Correspond researcher of JSPS KAKENHI Grant Number 20K22412 “Research on Intrinsic Mechanism of True Random Number Generation for Absolutely Secure Communications by Using Half Flux Quantum Circuit”