Quick Guide
Founded on technology,
passion and reliance create tomorrow's world
Since our founding in 1939, based on our Corporate Philosophy of "contributing to the realization of a clean, high-quality global society from our origin of sophisticated powertrains, perpetually challenging potential, by offering products with superior technology and value", we have built a global production/sales network across the global 6 regions, resulting in sustainable growth.
Our fields
The TPR Group offers a wide range of products and services in various fields.
Powertrain field
We provide parts (piston rings, cylinder liners, sintered products, and seal rings) that support engines and transmissions used in vehicles and other transportation machinery, industrial machinery, and power generation machinery, and also propose various solutions based on our advanced technological strengths in development and evaluation.
Frontier field
We are currently developing and expanding our business in the priority areas of rubber/resin, EV-related products, nanomaterials, technologies to support the future, and automotive exteriors and related equipment.
Our strengths
Diverse customers
- Vehicle manufacturers
- EV manufacturers
- Two-wheeled vehicle manufacturers
- Construction machinery manufacturers
- Agricultural machinery manufacturers
- Outboard motor manufacturers
- General-purpose equipment manufacturers
- Facility manufacturers
- Home equipment manufacturers
Core technologies
- Power mechanisms Evaluation, measurement, and analysis technologies
- Sliding seal technologies for various materials
- Nanostructured material technologies
Global network
- Organization covering six major regions worldwide
- Global partners
- Academic collaboration
Know ournumbers
Year established
1939
Number of locations (domestic/overseas)
59 locations
Number of employees (domestic/overseas)
6,740
Sales turnover (B yen)
192.4 billion
Ordinary profits
15.7 billion
Capital ratio
55.8%
As at end of March 2025
Globaldeployment
We promise optimal QCD (Quality/Cost/Delivery) with TPR's production/sales structure deployed in a focused across the global 6 regions.
Our group is made up of our company and 46 subsidiaries (of which, 30 are overseas) and 12 affiliate companies (of which, 8 are overseas), and we offer various products and superior technology to the world.
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Germany
Turkey
China
India
Korea
Vietnam
Indonesia
United States
Brazil
Thailand
United Kingdom
Mexico
To make high-quality products
that answer customers' needs
At TPR we consistently pursue continuous kaize of manufacturing processes and next-process assurance focused on domestic production locations, and are engaged in product quality assurance. We were certified with ISO9001 in September 2003. We were certified with ISO/TS16949 in 2004, and completed the transition to IATF16949 in 2017.
mindset
Founded on technology, passion and trust,
create tomorrow's world
Superior technology for powertrain, multi materials products and advance materials, relationships of trust build across various fields with many customers, and a worldwide network that spans the 6 global regions. Making the best use of these strengths, we at TPR unite our group's capabilities for further technical innovation to offer valuable products, and by opening up New Fields, we contribute to realizing a worldwide society that is clean and high quality.
Technology
As well as answering engine technical innovations and new fuels etc. with superior technology, TPR is engaged in multi-faceted research and development and opening up New Business areas. Furthermore, by deepening and combining the technologies we have cultivated, we focus on answering varied needs and discovering seeds in the market, to offer products that have superior environmental performance.
Passion
At TPR, each individual employee engages with production, technology, development, sales and management with energy and passion, and proactively seek a variety of new challenges. The global network we have built with our customers in various parts of the world is the fruit of TPR's passion.
Reliance
Our customers' trust in various countries around the world to TPR's attitude and quality of "monozukuri" is an irreplaceable asset gained from repeated resulted over a long period of time. With that trust as our cornerstone, we will work to meetin our customers' expectation and further deepen that trust as a corporate group that has the flexibility and agility to win in the global market.