IR Info TOP IR Info IR News IR News Category All News Organization/Human resources Financial closing Management Products/Technology Announcement Award history Others 2017 Management 2017.06.15 Management Announcement of Change of our Stock Market Listing to the First Section of the Tokyo Stock Exchange Archive 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 IR IR Info TOP IR News Financial Highlights IR Library Stock Information Disclosure Policy