ENVALITH
TPR株式会社 logo

TPR CO., LTD.

6463・Prime Market・Machinery

TPR株式会社 logo
TPR CO., LTD.6463

Japan Segment (TPR Group)

Core earnings base segment of TPR Group responsible for the manufacture and sale of domestic automotive parts

PeriodCurrentPreviousChange
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

product
Piston Rings

Focusing on automotive engine applications, the company supplies low-friction, high-durability products to domestic and overseas automakers. Development of products compatible with HEVs and PHEVs is also underway.

product
Cylinder Liners

Primarily cast iron products, supplied to domestic automakers as core components supporting engine durability and reliability.

product
Valve Seats

Components requiring wear resistance and heat resistance under high-temperature, high-pressure environments, supplied stably to domestic and overseas automakers.

product
Industrial Rubber Parts & Resin Products

Manufactures and sells industrial rubber parts such as sealing materials and vibration-damping components, as well as resin products, while also expanding into industrial fields beyond automotive parts.

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

Asia (TPR Group)

Automotive parts manufacturing and sales segment for the Asian market, centered on China, boasting the highest profitability within the group

PeriodCurrentPreviousChange
Segment Revenue, External Customers (Full Year)¥48,497 million¥46,415 million↑
Segment Revenue, Including Intersegment, Total (Full Year)¥53,088 million¥51,775 million↑
Segment Profit (Full Year)¥8,025 million¥7,745 million↑
Segment Profit Margin (Based on External Customer Revenue)Approx. 16.5%Approx. 16.7%—
Segment Assets¥92,354 million¥84,535 million↑
Depreciation and Amortization (Full Year)¥3,352 million¥2,770 million↑
Investment in Equity-Method Affiliates¥21,755 million¥19,388 million↑
Increase in Property, Plant and Equipment and Intangible Assets¥3,890 million¥2,417 million↑

Business Details

The Asia segment of TPR Group (Excluding Faltec Group) operates through local subsidiaries in China, India, Southeast Asia, and other locations as independent management units. Main products include Piston Rings, Cylinder Liners, Valve Seats, Thermostats, Industrial Rubber Parts, and Resin Products, supplied mainly to Chinese local automakers and global OEMs. Revenue to external customers for FY2026 (ending March 2026) was ¥48,497 million, up 4% year on year, and the segment profit margin remained the highest within the group at approximately 15.1%.

Recent Overview

Increased revenue and profit driven by solid sales at Chinese local manufacturers; revenue up ¥2,081 million and profit up ¥280 million year on year

In FY2026 (ending March 2026), domestic sales and exports by Chinese local automakers continued to trend solidly, and this was the main driver of revenue to external customers reaching ¥48,497 million (up 4% year on year) and segment profit of ¥8,025 million (up ¥280 million year on year), achieving both increased revenue and profit. The exchange rate for the Chinese yuan against the yen shifted slightly toward yen appreciation, from ¥21.04 in the prior period to ¥20.94 in the current period, but this was absorbed by the increase in volume. Investment in equity-method affiliates also increased by ¥2,367 million year on year to ¥21,755 million, reflecting deepening collaboration with local partners.

Key Products

product
Piston Rings

The core product of the Asia segment. Supplied to Chinese local automakers and global OEMs, forming the core of the segment's revenue and profit.

product
Cylinder Liners

Core engine component used in combination with Piston Rings. Produced and supplied by local subsidiaries in the Asia region.

product
Valve Seats

Precision components requiring durability under high-temperature, high-pressure environments, supplied to automakers in the Asia region.

product
Thermostats

A product line unique to the Asia segment. Supplied to local automakers mainly in China.

product
Industrial Rubber Parts & Resin Products

Supplied to automakers in the Asia region as a product group complementing metal components such as Piston Rings.

Growth Drivers

  • Solid domestic sales and expanded exports to regions other than the U.S. by Chinese local automakers (Chinese OEMs)
  • Deepening collaboration with local partners backed by ¥21,755 million in investment in equity-method affiliates
  • Continued effects of Chinese government measures to stimulate automotive demand
  • Expansion of production capacity through increased capital expenditure in the Asia region (¥3,890 million increase in property, plant and equipment, etc.)
  • Deepening business with local manufacturers in core engine components such as Piston Rings and Cylinder Liners

Risks

  • Slowing demand and sluggish sales growth in the ASEAN market due to high interest rates and stricter lending standards
  • Price reduction requests (price pressure) from customers in China
  • Increased labor costs due to global wage hikes
  • Impact of U.S. trade and tariff policy on exports from China (risk of changes in export strategy by Chinese OEMs)
  • Risk of economic downturn due to continued weakness in the Chinese real estate market
  • Foreign exchange risk (fluctuations in the yuan/yen exchange rate)
  • Profit pressure from increased R&D expenses

North America

Automotive engine parts manufacturing and sales segment for the North American market (continuing losses)

PeriodCurrentPreviousChange
Revenue (External Customers, Full Year)¥15,777 million¥15,218 million↑
Segment Loss (Full Year)-¥325 million-¥575 million↑
Segment Assets (Full Year)¥13,076 million¥13,478 million↓
Depreciation and Amortization (Full Year)¥864 million¥1,120 million↓
Capital Expenditure (Full Year)¥681 million¥480 million↑

Business Details

One of the regional segments of TPR Group (Excluding Faltec Group). The North American local subsidiary operates as an independent management unit, manufacturing and selling automotive engine components such as Piston Rings and Cylinder Liners. In FY2026 (ending March 2026), revenue and profit both increased due to solid sales at Japanese automakers, but the segment loss continued, and moving away from the loss-making structure remains a challenge.

Recent Overview

Increased revenue and profit due to solid sales by Japanese manufacturers; loss narrowed by ¥250 million

In FY2026 (ending March 2026), against a backdrop of solid sales by Japanese automakers, revenue to external customers increased to ¥15,777 million (up ¥559 million year on year, +3.7%). The segment loss improved by ¥250 million to ¥325 million from ¥575 million in the prior period. However, the loss-making state continues, and the segment has not yet returned to profitability. Note that the impact of U.S. tariff policy has been factored in as a certain profit-reducing factor in the earnings forecast for FY2027 (ending March 2027).

Key Products

product
Piston Rings

Engine components responsible for sealing combustion gas and controlling lubricating oil within the cylinder of automotive engines. The main product manufactured and sold by the North American local subsidiary.

product
Cylinder Liners

Installed within the cylinder block of the engine, forming the sliding surface for the piston. One of the main products supplied to automakers in North America.

Growth Drivers

  • Sustained demand for internal combustion engines (including HEVs and PHEVs) in the North American automotive market
  • Improved capacity utilization due to solid sales by Japanese automakers in North America
  • Optimization of cost structure through consideration and implementation of globally optimal production allocation
  • Strengthening of manufacturing cost competitiveness through use of DX
  • Accelerated development of components compatible with carbon-neutral fuels (such as hydrogen)

Risks

  • Impact of changes in U.S. tariff policy on automotive production and sales (already factored in as a profit-reducing factor in the FY2027 (ending March 2027) forecast)
  • Medium- to long-term risk of shrinking demand for internal combustion engine components as electrification progresses
  • Continued high labor costs, energy prices, and raw material costs
  • Impact on earnings from foreign exchange fluctuations (U.S. dollar/yen)
  • Sluggish capital efficiency due to continued loss-making structure

Other Regions (Europe & South America)

Small-scale segment in which local subsidiaries in Europe and South America sell automotive parts

PeriodCurrentPreviousChange
Revenue (External Customers)¥2,597 million¥2,586 million↑
Segment Profit¥332 million¥270 million↑
Segment Assets¥6,402 million¥5,412 million↑
Depreciation and Amortization¥97 million¥106 million↓
Increase in Property, Plant and Equipment and Intangible Assets (Capital Expenditure)¥88 million¥33 million↑

Business Details

One of the regional segments of TPR Group (Excluding Faltec Group), covering business activities of local subsidiaries in Europe and South America. Main products are Piston Rings and Cylinder Liners, with European automakers as the primary customers. Although its share of consolidated revenue is small at approximately 1.4% (FY2026, ending March 2026), it is a segment that generates stable profit. Segment assets stood at ¥6,402 million (FY2026, ending March 2026), positioning it as the smallest regional segment within TPR Group overall.

Recent Overview

Achieved increased revenue and profit due to solid sales to European automakers

In FY2026 (ending March 2026), sales to European automakers trended solidly, and revenue reached ¥2,597 million (up ¥10 million year on year, +0.4%), while segment profit reached ¥332 million (up ¥61 million year on year, +22.6%), achieving increased revenue and profit. Segment assets expanded to ¥6,402 million, up ¥990 million year on year, and capital expenditure also increased from ¥33 million to ¥88 million.

Key Products

product
Piston Rings

Piston rings for engines supplied to automakers in Europe and South America. The main product sold through the European local subsidiary.

product
Cylinder Liners

Cylinder liners supplied to automakers in Europe and South America. A main product of this segment alongside Piston Rings.

Growth Drivers

  • Stable growth in revenue and profit through continued solid sales to European automakers
  • Strengthening production capacity and quality response capability through expanded capital expenditure (up ¥55 million year on year to ¥88 million)
  • Capturing demand during the recovery phase of automotive production volumes in Europe and South America

Risks

  • Risk of decreased demand due to sluggish sales at European automakers
  • Medium- to long-term risk of shrinking demand for internal combustion engine components as electrification accelerates in Europe
  • Impact on earnings from foreign exchange fluctuations (Euro and South American currencies against the yen)
  • Uncertainty in the business environment due to geopolitical risk and changes in European tariff and trade policy
  • Limited ability to absorb fixed costs due to the small scale of the segment (revenue of ¥2,597 million)

TPR Group (Excluding Faltec Group)

TPR's core business manufacturing and selling automotive parts for internal combustion engines across four global regions

PeriodCurrentPreviousChange
Segment Revenue (Including Intersegment)¥131,593 million¥128,359 million↑
Revenue to External Customers¥117,627 million¥113,595 million↑
Segment Operating Profit¥8,436 million¥8,857 million↓
Segment Assets¥231,644 million¥217,716 million↑
Depreciation and Amortization¥7,757 million¥7,568 million↑
Increase in Property, Plant and Equipment and Intangible Assets¥10,192 million¥6,171 million↑
Investment in Equity-Method Affiliates¥24,797 million¥21,944 million↑

Business Details

Comprises four reportable segments—Japan, Asia, North America, and Other Regions (Europe & South America)—with Piston Rings, Cylinder Liners, and Valve Seats as main products. Domestically, the company and its domestic consolidated subsidiaries operate the business; overseas, local subsidiaries operate as independent management units. Revenue to external customers for FY2026 (ending March 2026) was ¥117,627 million, accounting for approximately 61.7% of consolidated revenue, making it the group's core segment. Asia accounts for the majority of profit, driven by sales to Chinese local manufacturers.

Recent Overview

Asia, North America, and Other Regions saw increased revenue and profit, but deteriorating product mix and higher R&D expenses in Japan led to an overall decline in segment profit

Segment operating profit for TPR Group (Excluding Faltec Group) in FY2026 (ending March 2026) was ¥8,436 million (down ¥420 million year on year, -5%). Japan achieved revenue of ¥50,755 million (up ¥1,380 million year on year) despite solid sales, but segment profit fell sharply by ¥1,012 million year on year to ¥404 million due to the impact of product mix and increased R&D expenses. Asia achieved increased revenue and profit, with revenue of ¥48,497 million (up ¥2,081 million year on year) and segment profit of ¥8,025 million (up ¥280 million year on year), driven by solid sales at Chinese local automakers. North America achieved increased revenue and profit due to solid sales at Japanese automakers, with revenue of ¥15,777 million (up ¥558 million year on year) and segment loss of ¥325 million (an improvement of ¥250 million year on year). Other Regions achieved revenue of ¥2,597 million (up ¥10 million year on year) and segment profit of ¥332 million (up ¥61 million year on year) due to solid sales to European automakers.

Key Products

product
Piston Rings

Sold across all segments—Japan, Asia, North America, and Other Regions. In addition to gasoline and diesel engine applications, development of products compatible with HEVs/PHEVs is also being promoted.

product
Cylinder Liners

Deployed across all regional segments. A high-performance component requiring wear resistance and heat resistance, with development of products compatible with carbon-neutral fuels also underway.

product
Valve Seats

Sold mainly in the Japan and Asia segments. Also engaged in development of products compatible with alternative fuels such as hydrogen engines.

product
Industrial Rubber Parts & Resin Products

Sold mainly in the Japan and Asia segments. Positioned as a product group for expansion in frontier fields, with active investment continuing from the perspective of cultivating new revenue sources.

product
Thermostats

Deployed mainly in the Asia segment. Demand centered on local Chinese manufacturers is expanding.

Growth Drivers

  • Solid sales to Chinese local automakers (including Chinese EV/HEV manufacturers) in the Asia segment
  • Contribution to group earnings from expanded equity-method investment profit (¥3,532 million in FY2026 (ending March 2026), up ¥1,658 million year on year)
  • Increased revenue and narrowed losses in the North America segment due to solid sales at Japanese automakers
  • Maintaining competitiveness in the powertrain field through accelerated development of products compatible with HEVs/PHEVs and carbon-neutral fuels
  • Expansion of frontier fields such as rubber, resin, and EV-related products
  • Promotion of global cost reduction activities and expense optimization

Risks

  • Deteriorating product mix in the Japan segment (declining proportion of high-profitability products) leading to worsening profit margins
  • Continued pressure on Japan segment earnings from ongoing increases in R&D expenses
  • Worsening profit margins due to price reduction requests (customer price pressure) from Chinese customers
  • Increased labor costs due to global wage hikes
  • Continued losses in the North America segment (segment loss of ¥325 million)
  • Medium- to long-term risk of shrinking demand for internal combustion engine components as electrification and fuel diversification progress
  • Supply chain disruption due to U.S. tariff policy and geopolitical risk
  • Risk of rising crude oil prices and material procurement risk due to uncertainty over the situation in the Middle East

Faltec Group

Domestic core subgroup of TPR Group handling automotive exterior parts, genuine accessories, and related equipment

PeriodCurrentPreviousChange
Revenue (External Customers)¥72,925 million¥78,898 million↓
Segment Profit¥1,403 million¥2,194 million↓
Segment Assets¥75,701 million¥75,958 million↓
Depreciation and Amortization¥4,300 million¥4,575 million↓
Capital Expenditure (Increase in Tangible and Intangible Fixed Assets)¥3,721 million¥3,291 million↑
Share of Consolidated RevenueApprox. 38%Approx. 41%↓

Business Details

A reportable segment centered on Faltec Corporation, managed as an independent management unit within TPR Group. Main products include Automotive Exterior Parts such as radiator grilles, millimeter-wave radar covers, window moldings, and roof rails; Automotive Genuine Accessories such as remote engine starters, TCUs, and rear-view cameras; and Automotive-Related Equipment such as vehicle inspection equipment, tire assembly equipment, and emergency power units. Customers are mainly domestic automakers, and revenue accounts for approximately 38% of consolidated revenue (FY2026, ending March 2026), making it an important segment.

Recent Overview

Decreased revenue and profit due to lower production and sales volumes at automakers; profit down 36% year on year

In FY2026 (ending March 2026), the Faltec Group experienced a significant decline in revenue and profit, mainly due to decreased production and sales volumes at domestic automakers, with revenue of ¥72,925 million (down ¥5,973 million year on year, -8%) and segment profit of ¥1,403 million (down ¥790 million year on year, -36%). Capital expenditure increased by ¥430 million year on year to ¥3,721 million, indicating continued investment for the future.

Key Products

product
Automotive Exterior Parts

Supplies exterior resin components to domestic automakers. Demand for functional exterior parts such as millimeter-wave radar covers is expanding as ADAS becomes more widespread.

product
Automotive Genuine Accessories

Supplied as genuine optional accessories for automakers. Also includes electronic products such as Telematics Control Units (TCUs).

product
Automotive-Related Equipment

Provides commercial equipment for automotive maintenance and dealership businesses. Has a stable demand base linked to vehicle inspection demand.

Growth Drivers

  • Improved profitability through continued promotion of production rationalization and cost reduction activities
  • Securing profit through optimization of selling prices
  • Expanding demand for ADAS-compatible exterior parts such as millimeter-wave radar covers
  • Expanding customer base and strengthening new products in the automotive exterior and related equipment businesses
  • Expanding business scope by adapting exterior parts to new forms of mobility (such as EVs)

Risks

  • Risk of declining capacity utilization due to decreased production and sales volumes at domestic automakers (materialized in FY2026 (ending March 2026), with revenue down 8% and profit down 36%)
  • Risk of decline in domestic automotive production due to external factors such as certification fraud issues
  • Risk of declining profitability due to deteriorating product mix
  • Risk of profit pressure from customer price reduction requests and rising costs (labor, logistics, raw materials)
  • Medium- to long-term risk of shrinking demand for equipment related to internal combustion engines as electrification progresses

TPR Group (Excluding Faltec Group) Japan, Asia, North America, Other Regions

TPR's core business manufacturing and selling precision components for internal combustion engines across four global regions

PeriodCurrentPreviousChange
TPR Group Total Revenue (Full Year)¥117,627 million¥113,595 million↑
TPR Group Total Segment Profit (Full Year)¥8,436 million¥8,857 million↓
Japan Revenue (Full Year)¥50,755 million¥49,374 million↑
Japan Segment Profit (Full Year)¥404 million¥1,416 million↓
Asia Revenue (Full Year)¥48,497 million¥46,415 million↑
Asia Segment Profit (Full Year)¥8,025 million¥7,745 million↑
North America Revenue (Full Year)¥15,777 million¥15,218 million↑
North America Segment Profit/Loss (Full Year)△¥325 million△¥575 million↑
Other Regions Revenue (Full Year)¥2,597 million¥2,586 million—
Other Regions Segment Profit (Full Year)¥332 million¥270 million↑

Business Details

Manufactures and sells precision components for internal combustion engines, such as Piston Rings, Cylinder Liners, and Valve Seats, across four segments: Japan, Asia (including China), North America, and Other Regions (Europe & South America). Main customers are domestic and overseas automakers and engine manufacturers. The Asia segment is the core driver of profit, accounting for ¥8,025 million of the ¥8,436 million total segment profit for TPR Group for full-year FY2026 (ending March 2026). Japan and North America face structural profitability challenges.

Recent Overview

Increased revenue and profit in Asia, North America, and Other Regions, but Japan saw a sharp decline in profit due to deteriorating product mix and higher R&D expenses

For full-year FY2026 (ending March 2026), TPR Group's total revenue reached ¥117,627 million (up 4% year on year), achieving increased revenue. Asia achieved increased revenue and profit, with revenue of ¥48,497 million (+4%) and segment profit of ¥8,025 million (+3%), driven by solid sales at Chinese local automakers. North America achieved revenue of ¥15,777 million (+4%) due to solid sales at Japanese manufacturers, with the segment loss improving by ¥250 million year on year to ¥325 million. Other Regions saw solid sales toward Europe, with profit of ¥332 million (+23%). On the other hand, despite solid sales, Japan experienced a combination of deteriorating product mix and increased R&D expenses, resulting in a sharp decline in segment profit to ¥404 million (from ¥1,416 million in the prior period).

Key Products

product
Piston Rings

A main product manufactured and sold across all segments—Japan, Asia, North America, and Other Regions. Development of products compatible with high-efficiency engines for HEVs/PHEVs and carbon-neutral fuels is also underway.

product
Cylinder Liners

One of the main products deployed across all segments. Requires wear resistance and heat resistance, with solid demand in Asia centered on Chinese manufacturers.

product
Valve Seats

Manufactured and sold in the Japan and Asia segments. Requires durability under high-temperature, high-load environments, with ongoing product development to meet needs for higher engine efficiency.

product
Industrial Rubber & Resin Products

Deployed in the Japan and Asia segments. Positioned as a frontier field including applications for EV-related components, with active investment continuing from the perspective of cultivating new revenue sources.

product
Thermostats

Manufactured and sold mainly in the Asia segment. Responds to needs for more sophisticated engine thermal management, with expanding demand mainly from local Chinese manufacturers.

Growth Drivers

  • Solid sales to Chinese local automakers in Asia (China): full-year revenue up +4% year on year, segment profit up +3%
  • Increased revenue and narrowed losses in North America due to solid sales at Japanese automakers (segment loss improved by ¥250 million year on year)
  • Accelerated development of products for HEVs/PHEVs: improving thermal efficiency of internal combustion engines and expanding products compatible with carbon-neutral fuels
  • Improved profitability through global cost reduction activities (use of DX and globally optimal production allocation)
  • Cultivation of new revenue sources through active investment in frontier fields (rubber, resin, EV-related, nanomaterials)

Risks

  • Sharp deterioration in profitability of the Japan segment: full-year segment profit of ¥404 million (versus ¥1,416 million in the prior period), compounded by deteriorating product mix, increased R&D expenses, and customer price reduction requests
  • Continued losses in the North America segment: full-year segment loss of ¥325 million (though improving, has not yet returned to profitability)
  • Medium- to long-term risk of shrinking demand for internal combustion engine components as electrification (BEV adoption) progresses
  • Supply chain disruption and demand fluctuations due to U.S. tariff policy and geopolitical risk
  • Cost pressure from global wage hikes and persistently high logistics costs, energy prices, and raw material costs

Last updated: July 17, 2026