• 2021.09.24 IR
  Notice Concerning Organizational Changes, and Executive and Other Personnel Changes (Japanese)
• 2021.08.24 New products
  25Gbps! High-speed transmission Floating structure Board to Board Connectors 10143 series "OIF CEI-28G-SR" compatibility verified
• 2021.08.06 IR
  Summary of First Quarter Financial Summary the Fiscal Year Ending March 2022 (English)
• 2021.08.05 IR
  First Quarter Report for the Fiscal Year Ending March 2022
• 2021.08.04 IR
  First Quarter Financial Results Briefing Video for the Fiscal Year Ending March 2022
• 2021.08.03 IR
  Notice regarding the continuation of the performance-linked stock compensation plan
• 2021.08.03 IR
  Supplementary materials for the first quarter of the fiscal year ending March 2022 (English)
• 2021.08.03 IR
  Supplementary materials for the first quarter of the fiscal year ending March 2022
• 2021.08.03 IR
  Financial Summary the first quarter of the fiscal year ending March 31, 2022 [Japanese GAAP] (consolidated)
• 2021.06.23 IR
  (Correction) Partial Correction to "Financial Summary Year Ended March 31, 2021 (Japanese GAAP) (Consolidated)"
• 2021.06.23 IR
  Securities Report for the Fiscal Year Ending March 2021
• 2021.06.23 IR
  The presentation materials broadcast at the 55th Ordinary General Meeting of Shareholders are now available for streaming.
• 2021.06.23 IR
  55th Shareholders' Newsletter (IR Report)
• 2021.06.22 IR
  (Correction) Partial Correction to "Notice Regarding the Appointment of Directors"
• 2021.06.22 ​IR
  ​Notice Regarding Appointment of Directors (Japanese)
• 2021.06.22 IR
  Notice of Resolutions of the 55th Ordinary General Meeting of Shareholders
• 2021.06.15 IR
  Information on live streaming of the 55th Ordinary General Meeting of Shareholders
• 2021.06.14 IR
  Information on accepting questions in advance for shareholders at the 55th Ordinary General Meeting of Shareholders
• 2021.06.14​ イベント情報
  マークラインズオンライン展示会2021 出展のお知らせ
• 2021.06.01 IR情報
  Notice of Convocation Annual General Meeting 2021（第55回　定時株主総会英文招集通知）