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Digital circuit design laboratories
Name MIYAHARA Kazunori
Related Course(s)JNJD
School Subjects Principally
in Charge of
Physics A
Electronics B
Digital measurement
Position Professor
Field of Specialization Electronics, Applied physics
Area of Research Digital circuit design, Superconducting circuit
Affiliated Societies Institute of Electronics, Information and Communication Engineers of Japan,
Japan Society of Applied Physics. 
Career Summary Kazunori Miyahara received the Dr. degree in electrical engineering from Tohoku University, Sendai, Japan in 1979. He joined Electrical Communication Laboratory NTT in 1979, where he has been engaged in research on Josephson integrated circuits. From 1998 to 2002, he researched superconducting single flux quantum circuits at Superconductivity Research Laboratory ISTEC. Since 2003, he has been with the Department of Information Environment, Tokyo Denki University, where he is currently a Professor.

Selected Papers and Published Works

  • "Large-Scale SFQ Switches Using Miniaturized 2x2 Switch  Cell" IEEE Trans. Appl. Supercond., vol.18, No.4 p.1790 (2008)
  • "Improvement and evaluation of the high-frequency operation of superconductor frame compression circuits" Physica C vol.468 p.1973 (2008)
  • "Design of superconductor frame compression circuits" Physica C vol.463 p.1080 (2007)
  • "Design and demonstration of high-functionality logic cells for miniaturization of SFQ switches" Physica C vol.463 p.1076 (2007)

Message to Students

There are some difficulties to understand the essence of the things only by attending lectures in university.  It is very important to reserch and practice by yourself.  In our labs, you can experience the fabrication of same hardware and also programing the software. Please join us !