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Notice regarding completion of acquiring the shares of SHINWA VANES CO., LTD. (PDF: 410.5 KB)
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Regarding the Acquisition of shares in SHINWA VANES CO., LTD. (PDF: 1.2 MB)
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Notice Regarding the Acquisition of shares in SHINWA VANES CO., LTD. by a subsidiary, Riken Corporation (acquisition of a sub-subsidiary company) (PDF: 480.0 KB)
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Financial Results 2Q of Nippon Piston Ring (English translation for reference) (PDF: 318.2 KB)
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Financial Results 2Q of RIKEN (English translation for reference) (PDF: 297.5 KB)
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Midterm Corporate Strategy (2024-2026) (PDF: 198.1 KB)
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Notice Regarding Establishment of NPR-RIKEN CORPORATION and Consolidated Financial Forecast for FY2023 (PDF: 128.1 KB)
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We have launched NPR-RIKEN CORPORATION's website