◆2023.12.11	Product Information and About Nichinichi were renewed.
◆2023.05.12	Website was renewed.
◆2021.02.10	Product Information was renewed.
◆2020.12.21	About Nichinichi was renewed.
◆2020.11.04	About Nichinichi was renewed.
◆2020.07.15	Product Information was renewed.
◆2019.09.13	Product Information and About Nichinichi were renewed.
◆2017.08.08	About Nichinichi were renewed.
◆2016.10.31	Product Information and Research and Development were renewed.
◆2015.05.11	New products, research information, patent and social activities are added.