This journal is a translation of papers from the Transactions of the Institute of Electronics, Information and Communication Engineers of Japan, the foremost Japanese publication in the field. Published in three parts (Part I-Communications; Part II-Electronics; Part III-Fundamentals of Electronic Science), the journal covers the entire field of electronic engineering, including circuits and networks; signal and image processing; communication theory and systems; electromagnetic theory; switching, optical, microwave and millimeter-wave technology; quantum electronics; semiconductor technology and integrated circuits; artificial intelligence; and applied mathematics.