Feature
Innovations to Improve People’s Quality of Life
Volume 70 Number 1 January 2021
Industry Solutions in the New Normal Era
Volume 70 Number 2 February 2021
Hitachi Technology 2021
Volume 70 Number 3 March 2021
Research & Development for Global Value Creation
Volume 70 Number 4 June 2021
Digital Transformation of Operational Technology
Volume 70 Number 5 August 2021
Technologies for Sustainable Cities and Mobility
Volume 70 Number 6 October 2021
