Riken Corporation and
Nippon Piston Ring Co., Ltd.
have merged to achieve
a sustainable society.
NPR-RIKEN CORPORATION was born on October 2, 2023.
A new challenge has begun
Bringing Together the Experience and Strengths of Both Companies to a New Stage
Maximizing Group Synergies by Effectively Utilizing the Resources of Both Companies
Strengthen existing businesses by reallocating management resources, and early development of core products for future business
Strengthen the capabilities to respond to an increasingly decarbonized society
Reduce costs through shared use of infrastructure and other resources
Reduce manufacturing costs by improving production efficiency through shared product integration, and achieve timely and appropriate fulfillment of supply responsibilities
Optimize skills through personnel and technology exchanges
Business of NPR-RIKEN
Marine and Industrial Components and Parts
Metal Injection Molding Parts
Thermal Engineering Products
RV Parts and others
Notice regarding completion of acquiring the shares of SHINWA VANES CO., LTD. (PDF: 410.5 KB)
Regarding the Acquisition of shares in SHINWA VANES CO., LTD. (PDF: 1.2 MB)
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)
Financial Results 2Q of Nippon Piston Ring (English translation for reference) (PDF: 318.2 KB)
Financial Results 2Q of RIKEN (English translation for reference) (PDF: 297.5 KB)