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Electric and Electronic Engineering

  The major of Electric and Electronic Engineering is composed of the following three divisions: (1) Electric Systems, (2) Communication and Control, and (3) Electronic Material and Device. These divisions are conducting advanced and creative researches and educations in the areas of electric power systems, power electronics, communications and telecommunications, control systems, signal processing, robotics, biotechnology, integrated circuits and systems, nanotechnology, photonics and optoelectronics, and solid-state electronics, which form the basis of the different industries of the modern information society. At the same time the major of Electric and Electronic Engineering offers a well-rounded curriculum that leads to a high level of disciplinary in the fields of electrical, communication and control, and electronic engineering. The mission of Electrical and Electronic Engineering is to bring up talented researchers and engineers, who have the flexibility as well as highly specialized knowledge applicable to rapidly developing technologies and can contribute to Japanese society and the world in the future.


Electric Systems Engineering

 The fundamental research areas of this division are power engineering, electric machinery and apparatus, control systems, and plasma physics. The current research activities include robotics system, magnetic levitation, control of electrical machines, power electronics, new electric power generation system, high-current and high voltage engineering and their applications, lightning research, thin film technology, and nuclear fusion research.

  • Electric Power System Engineering
    [Prof. Katsumi MASUGATA, Associate Prof. Takakazu TAKAHASHI, Associate Prof. Hiroaki ITO]
     Our group performs education and research in basic and application of power engineering and plasma physics. Current topics are high-voltage, pulse power generation and its application to intense pulsed heavy ion beam and nuclear fusion, lightning observation, and thin film deposition by sputtering technique.
  • Energy Conversion Engineering
    [Prof. Masaaki SAKUI, Associate Prof. Takahisa OHJI]
     It is mainly concerned with electricity, a machine, and electricity and electric energy conversion, and education and research relevant to a rotating machine, a linear motor, magnetic application apparatus, power electronics, etc. are done.
  • Intelligent Robotics Engineering
    [Prof. Genci CAPI, Assistant Prof. Hideki TODA]
     The intelligent robotics lab deals with teaching and research in the following fields: robotic systems, autonomous mobile robot, bio-robotics, intelligent control, and soft computing.


Communication and Control Engineering

 This division covers a wide variety of research topics from basic theories and numerical simulation to experimental investigation in communication, measurement, control, and biological engineering. Current activities include design of small-sized microwave circuits, millimeter- and submillimeter-wave engineering, welfare biological care systems and their applications, optical and electromagnetic field analysis, measurement and analysis of biological information.

  • Communication and Transmission Engineering
    [Prof. Iwata SAKAGAMI, Associate Prof. Masafumi FUJII]
     The communication and transmission engineering laboratory provides graduate students with advanced knowledge and techniques on how to analyze and design microwave, millimeter wave and optical circuits and systems for high-speed mobile and optical communications and how to simulate such circuits and systems effectively using multi-cpu computers as well as fundamental concept in the field of communication and transmission engineering.
  • Communication Systems Engineering
    [Prof. Koichi OGAWA, Associate Prof. Tatsuo NOZOKIDO]
     The short millimeter and sub-millimeter (terahertz) wave region of the electromagnetic spectrum is located between the microwave and the optical regions. Whilst the basic technologies in the microwave and the optical regions are well developed and matured, this is not the case for the short millimeter and sub-millimeter (terahertz) wave region. Since our society is becoming highly information-oriented, it is imperative that the potential of this region to handle high-density information is properly exploited. Furthermore, this region provides unique and useful diagnostic tools for research fields such as new material development, remote sensing, nuclear fusion plasma measurement, and medical diagnostics and treatments. Our group is developing solid-state devices and systems for use in this region.
  • Bio-Information Engineering
    [Prof. Kazuo SASAKI, Prof. Kazuki NAKAJIMA]
     Our research interests include neuroscience, measurement and analysis of biosignals, and development of medical and welfare equipments.
  • Measurement Systems Engineering
    [Prof. Masayasu SUZUKI]
     By using advanced technologies in biotechnology and electronics, we are developing small and integrated measurement systems for medical diagnostics and environmental monitoring, such as integrated miniature biosensors, biochips and microarrayed chips.


Electronic Material and Device Engineering

 The research activities are focused on the semiconductor nanodevices, growth of semiconductor thin films and nanowires for such devices. Also included is theoretical research of single atomic and molecular manipulation as well as molecular electronics. Electro-optic conversion related materials and devices are also the main research targets, which include organic and inorganic thin film electroluminescence (EL), liquid crystal display panels with ferroelectric and anti-ferroelectric materials. In addition, oxide semiconductor gas sensors and ferroelectric single crystals are studied.

  • Nanoelectronics Engineering
    [Prof. Koichi MAEZAWA, Associate Prof. Toyokazu TAMBO, Associate Prof. Masayuki MORI]
     Our group studies semiconductor nanodevices and their applications to high performance integrated circuits. Resonant tunneling devices and THz integrated circuits based on them are one of the most active projects in our group. We also study fabrication processes, epitaxial crystal growth and their characterization technologies in order to realize next generation high performance integrated circuits.
  • Electron Device Engineering
    [Prof. Hiroyuki OKADA, Associate Prof. Sigeki NAKA]
     Research topics are electron physics and electro-optical properties of organic materials, basic and application of science and technology of electron devices and displays, e.g., liquid crystal devices, organic light-emitting devices and organic transistors, and novel functional devices and panels.
  • Basic Material Engineering
    [Associate Prof. Toshinari YAMAZAKI]
     Education and study of physical property and application of single crystals, thin films, and nanomaterials of semiconductors and ferroelectrics are performed. In particular, gas sensors made of oxide semiconductor nanomaterials formed by sputtering or thermal vapor deposition are studied. Electric property and crystal structure of ferroelectric single crystals grown in aqueous solution are also studied.
  • Surface Electronics
    [Prof. Hiromu UEBA]
     Research topics are electronic and optical properties at metal and semiconductor surface. In particular, theoretical studies of electron transport in single-electron devices, electronic and vibrational properties of single absorbate. Recent studies also include motions and reactions of single molecule manipulated with a scanning tunneling microscope.