Stabilization of mode in imbalanced operation of matrix converter by time-delayed feedback control. - Manuel Sánchez; Takafumi Okuda; Takashi Hikihara (Int. J. Circuit Theory Appl., 2018)

Investigation of Effect of Stray Capacitances in Air-Core Toroidal Transformer at High-Frequency Oscillation Based on Internal Magnetic Flux Density. - Kazuki Hashimoto; Takafumi Okuda; Takashi Hikihara (ISCAS, 2020)

Prediction of restriction in output current by reactant flow in redox flow battery for compensating load variations. - Toko Mannari; Takafumi Okuda; Takashi Hikihara (Int. J. Circuit Theory Appl., 2021)

The Broken Symmetry of Output Currents in a Matrix Converter and Its Recovery Control. - Manuel Sánchez; Takafumi Okuda; Takashi Hikihara (J. Circuits Syst. Comput., 2021)

Digital active gate drive of SiC MOSFETs for controlling switching behavior - Preparation toward universal digitization of power switching. - Hajime Takayama; Takafumi Okuda; Takashi Hikihara (Int. J. Circuit Theory Appl., 2022)

Repetitive Partial Discharge Phenomena on Electrical Motor Coil Windings Under High-Repetition Nanosecond Pulsed Voltages Driven by SiC MOSFET Inverter. - Yusuke Kikuchi; Jun Matsusue; Fuma Yamada; Takafumi Okuda; Takashi Nakamura (IEEE Access, 2023)