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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

Click here for our mid-term management plan

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

Click here for our business