Toru Tanzawa

Toru Tanzawa is a Professor at Waseda University's Faculty of Science and Engineering, Graduate School of Information, Production, and Systems. He holds a Ph.D. from the University of Tokyo (2002) and maintains an active research laboratory focused on power electronics and energy harvesting systems. His professional memberships include IEEE and IEICE, and he has served on various technical committees including the IEICE Electronics Society's Integrated Circuit Research Committee and the IEEE ESSCIRC Technical Program Committee.

Professor Tanzawa's research focuses on low-power analog circuits, energy harvesting, greening of integrated circuits, IoT systems, power management, and circuit design. His work bridges theoretical circuit analysis with practical implementations for real-world applications, particularly in memory systems and energy-constrained environments. He has pioneered numerous innovations in switched-capacitor converters, charge pump circuits, and power management solutions for NAND flash memory and IoT devices.

His publication record shows a clear progression from fundamental circuit theory to practical implementations, with recent work focusing on energy harvesting from thermoelectric generators, microwave wireless power transfer, and ultra-low-voltage operation. The research demonstrates consistent innovation in power conversion efficiency, particularly in the 1-100 μW range relevant for IoT applications. His publications span top venues including IEEE journals and conferences like VLSI Symposium.

• Test of Time Award, Symposium on VLSI Technology and Circuits (2023)
• IEEE Fellow (2016)

Professor Tanzawa leads an active research group with numerous industry collaborations. His current research projects include "Understanding the operation principle of boost converters from extremely low voltage and application to IoT terminals" (2022-2025), funded by the Japan Society for the Promotion of Science. He has also secured multiple patents related to power conversion circuits and rectenna systems. His laboratory maintains strong connections with semiconductor industry leaders, particularly in memory technology and power management ICs.