1. Department of Electrical and Electronic Engineering: Power Electronics, Electric Power Engineering, Energy, Electric Equipment
2. Department of System and Control Engineering: Control Engineering, Automatic Control

(1) Fundamental Study and Applications of AC/AC Direct-Conversion Circuit (Matrix Converter)
(2) Development of High-Efficiency DC/DC Converter
(3) Performance Improvement of Input-Current-Distortion-Reduction Circuit
(4) Performance-Enhanced Control of Induction Motor and Permanent Magnet Electric Motor
(5) Advanced Digital Control
(6) Simplification of Multilevel Converter
(7) Development of High-Efficiency Power Conversion System
(8) Energy Storage System
(9) Wireless Power Transfer

Digital Oscilloscope, Current Probe
Power Meter
Digital Controller, FPGA
Design Simulator of Circuit and Control
Thermographic Camera, Curve Tracer, Shielded Room, Spectrum analyzer, LISN

(1) Simplification and Efficiency Improvement of Power Converter (e.g. Inverters)
(2) High-Frequency-Harmonic Reduction for Input Current
(3) Simplified Control Strategy for Motor
(4) High-Efficiency Technology for Power Converter applied in Power Supply of Communication and Portable Devices
(5) Flywheel Energy Storage System
(6) Wireless Power Transfer System for Specific Applications

Practical Realization and Performance Improvement of AC/AC Direct-Conversion Converter (Matrix Converter)
Development of Power Converter for Sustainable Energy
Realization of General-Purpose Motor Driving Method
Development of Quick Charger for Electric Vehicle

Development of Power Supply for Specific Application
Development of Motor Control for Specific Application
Control Technology and Power Conversion coming with “Ultra-“
Implementation Technology of High-Power-Density Power Converter

Control System of Voltage Source Inverter (Patent Application No. 2007-006587)
Control System of Power Converter (Patent Application No. 2006-287223)
Control System of AC/AC Direct-Conversion Converter (Patent Application No. 2006-221874)
Electric Power System (Patent Application No. 2006-318075)
Electric Power System (Patent Application No. 2006-064276)
AC Switch Circuit (Patent Application No. 2006-069015)
Control System of Voltage Source Inverter (Patent Application No. 2006-262560)
Control System of AC/AC Direct-Conversion Power Converter (Unexamined Patent Application No. 2006-262560)
Control System of AC/AC Power Converter (Unexamined Patent Application No. 2006-262573)
Control System of Isolated DC Power Converter (Unexamined Patent Application No. 2006-246673)

Since my life goal is to challenge as many things as possible, I would love to correspond to any topics relating to the control of power and energy even if they are different from the aforementioned topics.