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We challenge ourselves to move to a new stage
by bringing the experience and strengths to sustain our present and future.
NPR-RIKEN Challenge
The automotive industry is
in the midst of a once-in-a-century
transformation
Carbon
Neutral
Shrinking engine
parts market
Industry
Restructuring
Structural change in
the automotive and
parts industry
Major
Environmental
Changes
Expansion into new
industrial areas
Expanding
Growth
Opportunities
Increase demand for
new functional
components
‘Innovation’ and ‘Challenge’,
and to the New Stage
Generate synergies
through
consolidation
Reform business
portfolio
Strengthen
sustainability
management
NPR-RIKEN in Numbers
Net sales
138.6
billion yen
If 12-month results of Riken and NPR are reflected: 168.6 billion yen
Equity ratio
64.2%
ROE
37.5%
If 12-month results of Riken and NPR are reflected and the gain on bargain purchase is excluded: 6.2%
Establishment
2023
Riken Corporation: 1949
Nippon Piston Ring Co, Ltd.: 1934
Ratio of overseas
employees
45%
Ratio of female
managers (Consolidated)
6.9%
Composition of Net Sales by Region
Note: Sales are based on the location of the customer and classified into countries or regions according to geographic proximity.
Consolidated Ratio of
Employees by Region
NPR-RIKEN Business
Piston Ring Business
We provide high-performance, high-quality piston rings for passenger cars, heavy-duty commercial/industrial, aftermarket, and marine applications to a wide range of customers around the world in response to engine requirements for higher output, lower fuel consumption, and cleaner exhaust gas.

Passenger cars

Heavy duty commercial and industrial

Marine
Fundamental Business
We provide high-quality products in a variety of fields, including precision machined parts for automotive and industrial machinery, and piping products for construction and industry..

Sintered products

Engineered plastic products

Precision components

Casting components

Piping products
Next Core Business
We are cultivating new businesses for the next generation by combining existing technologies and external resources in order to promote reformation of business portfolio.

Thermal engineering

EMC

METAMOLD

New products and new business