NPR-Riken: [Delayed]Sustainability Report 2024
NPR-Riken: [Delayed] Corporate Governance Report as of June 27, 2024.
NPR-Riken: Articles of Incorporation June 21, 2024.
NPR-Riken: Notice regarding formulation of the first medium-term management plan of Riken NPR Co., Ltd.
NPR-RIKEN: Notice regarding the acquisition of shares of Shinwabanes Co., Ltd. (acquisition of subsidiary companies) by its subsidiary Riken Co., Ltd.
NPR-RIKEN: Summary of financial results for the 2nd quarter of the fiscal year ending March 31, 2024 [Japanese GAAP] (consolidated) (Nippon Piston Ring)
NPR-RIKEN: Summary of financial results for the 2nd quarter of the fiscal year ending March 31, 2024 [Japanese GAAP] (consolidated) (Riken)
NPR-RIKEN: Notice Concerning Decisions on Matters Relating to the Purchase of Treasury Shares Associated with Processing Fractions Less Than 1 Share Due to Joint Stock Transfers
NPR-RIKEN: Independent Officer Notification Form
NPR-RIKEN: Legal post-facto disclosure documents (share transfer) (Riken Co., Ltd., Nippon Piston Ring Co., Ltd.)
NPR-RIKEN: Articles of Incorporation 2023/10/02
NPR-RIKEN: Confirmation of the appropriateness of securities reports, etc. for listing applications
NPR-RIKEN: Securities reports for listing applications
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