TPR CO., LTD.
6463・Prime Market・Machinery
Japan Segment (TPR Group)
Core earnings base segment of TPR Group responsible for the manufacture and sale of domestic automotive parts
| Period | Current | Previous | Change |
|---|---|---|---|
| Segment Revenue (External Customers) | ¥50,755 million | ¥49,374 million | ↑ |
| Segment Revenue (Including Intersegment, Total) | ¥60,053 million | ¥58,707 million | ↑ |
| Segment Profit | ¥404 million | ¥1,416 million | ↓ |
| Segment Assets | ¥119,810 million | ¥114,290 million | ↑ |
| Depreciation and Amortization | ¥3,443 million | ¥3,570 million | ↓ |
| Increase in Property, Plant and Equipment and Intangible Assets (Capital Expenditure) | ¥5,531 million | ¥3,239 million | ↑ |
Business Details
TPR Co., Ltd. and its domestic consolidated subsidiaries are the main entities, manufacturing and selling high-performance components for internal combustion engines such as Piston Rings, Cylinder Liners, and Valve Seats, as well as Industrial Rubber Parts & Resin Products. Primary customers are domestic automakers and suppliers, with the value proposition being stable supply of high-performance components that contribute to improved fuel efficiency and weight reduction. Reported revenue including intersegment sales was ¥60,053 million (¥50,755 million to external customers), accounting for approximately 46% of the ¥131,593 million total for TPR Group (Excluding Faltec Group).
Recent Overview
Sales remained solid leading to increased revenue, but profit declined sharply due to deteriorating product mix and higher R&D expenses
In the Japan segment for FY2026 (ending March 2026), sales trended solidly, with revenue to external customers reaching ¥50,755 million (up ¥1,380 million year on year, +3%), achieving increased revenue. On the other hand, segment profit fell sharply to ¥404 million (down ¥1,012 million year on year, -71%). The main causes cited are the impact of product mix (an increased proportion of lower-profitability products) and higher R&D expenses. Capital expenditure rose significantly to ¥5,531 million from ¥3,239 million in the prior period, reflecting more active investment for the future.
Key Products
Growth Drivers
- Accelerated development of high-performance components for HEVs and PHEVs (including compatibility with carbon-neutral fuels)
- Strengthening manufacturing cost competitiveness and cost reduction efforts through use of DX
- Increasing share with major customers and developing new markets in the rubber and resin business
- Optimizing cost structure through consideration and implementation of globally optimal production allocation
- Active investment in frontier fields (EV-related products, nanomaterials, etc.) as indicated by increased capital expenditure
Risks
- Risk of demand decline due to fluctuations in domestic automaker production
- Medium- to long-term risk of shrinking demand for internal combustion engine components as electrification progresses
- Cost increase pressure from wage hikes and rising labor costs
- Risk of declining profit margins due to price reduction requests (price negotiation pressure) from customers
- Risk of declining profit margins due to deteriorating product mix (shift from high-profitability to low-profitability products)
- Risk of short-term profit pressure due to increased R&D expenses
Last updated: June 18, 2026

