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Advancing to the Next Stage
with Unified Strengths and Experience
Build the competencies and capabilities
to sustain our present and future
For a sustainable society
We support RB OMIYA ARDIJA WOMEN
News
IR
Notice Regarding the Acquisition of Shares in Hastings Holding Corp. by Riken Corporation of America, a subsidiary of NPR-RIKEN CORPORATION (PDF: 301.3 KB)
Information
Notice Concerning Partial Termination of Domestic Production in the Casting Components Business (PDF: 95.6 KB)
Information
Notice Concerning Postponement of Merger of U.S.A. Subsidiaries (PDF: 109.4 KB)
IR
Notice Concerning Standardization of Exercise Conditions of Stock Options (Share Acquisition Rights) (PDF: 124.3 KB)
Information
Integrated Report 2025 (English translation for reference) (PDF: 8.4 MB)
Bringing Together the Experience and Strengths of Both Companies to a New Stage
We challenge ourselves to move to a new stage by bringing the experience
and strengths to sustain our present and future.
Business of NPR-RIKEN
Automotive Parts
Marine and Industrial Components and Parts
Piping Products
Metal Injection Molding Parts
Thermal Engineering Products
EMC Products
Medical Equipment
RV Parts and others