What's new 2020/9/30 April 4 (Mon.)- 6 (Wed.), 2022 Due to the influence of Novel Coronavirus (COVID-19), the conference will be postponed for one year, in the spring of 2022. 2020/9/25 Due to the influence of Novel Coronavirus (COVID-19), the conference will be postponed for one year, in the spring of 2022. 2019/12/26 We have opened our website.