• 2023.06.28 ​IR
  ​Annual Securities Report for the Fiscal Year Ending March 31, 2023 (Japanese)
• 2023.06.28 ​IR
  ​57th Shareholder Newsletter (IR Report) (Japanese)
• 2023.06.27 ​IR
  ​Notice Regarding Appointment of Directors (Japanese)
• 2023.06.27 ​IR
  ​Notice of Resolution at the Annual General Meeting 2023 (Japanese)
• 2023.06.13 ​Event
  ​ Announcement of Exhibition at Automotive Engineering Exposition 2023 NAGOYA
• 2023.06.01 ​IR
  ​Notice of Convocation Annual General Meeting 2023 (English)
• 2023.06.01 ​IR
  ​Notice of Convocation Annual General Meeting 2023 (Japanese)
• 2023.05.19 ​IR
  ​Notice Concerning Appointment of Candidates for Directors (Japanese)
• 2023.05.19 ​IR
  ​Partial Correction of "Summary of Financial Summary for the Fiscal Year Ending March 31, 2023 [JGAAP] (Consolidated) " (Correction of numerical data) (Japanese)
• 2023.05.15 ​IR
  ​Summary of Consolidated Financial Results for the Year Ended March 31, 2023 (Based on Japanese GAAP) 
• 2023.05.10 IR
  Video of Financial Results Briefing for the Fiscal Year Ending March 31, 2023
• 2023.05.09 ​IR
  ​Presentation Materials for the Fiscal Year Ending March 2023 (English)
• 2023.05.09 ​IR
  ​Presentation Materials for the Fiscal Year Ending March 2023 (Japanese)
• 2023.05.09 ​IR
  ​Notice Concerning Dividends of Surplus (Japanese)
• 2023.05.09 ​IR
  ​Summary of Financial Summary for the Fiscal Year Ending March 31, 2023 [JGAAP] (Consolidated)(Japanese)
• 2023.05.08 Other
  Announcement of new content release "Why is the terminal of the connector plated?"
• 2023.04.18 ​Other
  ​Notice of Safety Prayer Festival at Akita Plant (Japanese)
• 2023.04.04 Event
  Announcement of Exhibition at Automotive Engineering Exposition 2023 YOKOHAMA
• 2023.03.31 ​Other
  ​Notice of Ground-Breaking Ceremony for Hanamaki Factory (Japanese)
• 2023.03.30 ​IR
  ​Notice Concerning Personnel Changes (Japanese)