1. Cabinet Office, Questionnaire survey on corporate behavior in Fiscal Year 2017 (Heisei 29), (online), available from < http://www.esri.cao.go.jp/jp/stat/ank/h29ank/h29ank_houdou1.pdf >, (accessed on 21 June, 2018) (in Japanese).
2. Fukuta, Y., and Okubo, T., Analysis of work proficiency in achievement methods, Japan society for production management, Vol.29, No.4 (1993), pp.215–222 (in Japanese).
3. Hibino, H., Sakuma, T. and Yamaguchi, M., Manufacturing system simulation for evaluation of productivity and energy consumption, Journal of Advanced Mechanical Design, System, and Manufacturing, Vol.8, No.2 (2014), DOI: 10.1299/jamdsm.2014jamdsm0014
4. ITOCHU Techno-Solutions Corp., Witness, Engineering-eye site of ITOCHU Techno-Solutions Corp., (online), available from < http://www.engineering-eye.com/WITNESS/ >, (accessed on 30 May, 2017) (in Japanese).
5. Juhn, W., The role of knowledge and information in the transfer of technology to overseas subsidiaries, Organizational Science, Vol.50, No.4 (2017), pp.31–40 (in Japanese).