Title：Energy Harvesting from Non-Stationary Vibrations Using a Low-Threshold Voltage-Boost Rectifier CircuitJournal：IEEJ Transactions on Electrical and Electronic Engineering, vol.141, no.7, pp.228-232, July 2021.DOI: https://doi.org/10.1541/ieejsmas.141.228 The paper presents the join research results with the University of Tokyo on an electronic circuit for vibration-type energy harvesters.