BRIDGESTONE CORPORATION
5108・Prime Market・Rubber Products
Japan
Bridgestone's core revenue-generating segment, encompassing domestic tire, solutions, and diversified products businesses.
| Period | Current | Previous | Change |
|---|---|---|---|
| Revenue (external revenue) | ¥236,593 million (Q1 FY2026, ending December 2026) | ¥231,561 million (Q1 FY2025, ended December 2025) | ↑ |
| Total revenue (including inter-segment) | ¥303,800 million (Q1 FY2026, ending December 2026) | ¥299,860 million (Q1 FY2025, ended December 2025) | ↑ |
| Adjusted operating profit | ¥53,745 million (Q1 FY2026, ending December 2026) | ¥42,546 million (Q1 FY2025, ended December 2025) | ↑ |
| Adjusted operating profit margin (vs. total revenue) | approx. 17.7% (Q1 FY2026, ending December 2026) | approx. 14.2% (Q1 FY2025, ended December 2025) | ↑ |
Business Details
The Japan segment is centered on the Company itself (headquarters, manufacturing, and sales), and also includes Bridgestone Tire Solutions Japan Corporation, Bridgestone Diversified Products Japan Co., Ltd., Bridgestone Sports Co., Ltd., Bridgestone Cycle Co., Ltd., and others. It operates the Tire Business (passenger car, truck & bus, and specialty tires), Solutions Business (mining, aviation, B2B solutions, and retail services), and Diversified Products Business (hydraulic hoses, rubber track, seismic isolation rubber, sports and cycle products). Japan is positioned as the core manufacturing base and global supply hub.
Recent Overview
In Q1 FY2026, the Japan segment achieved higher revenue with adjusted operating profit up more than 26% year on year, showing substantial improvement.
In Q1 FY2026 (January to March), the Japan segment's external revenue was ¥236,593 million (up ¥5,032 million year on year), and total revenue was ¥303,800 million (up ¥3,940 million year on year), representing revenue growth. Adjusted operating profit increased by ¥11,199 million from ¥42,546 million in the prior-year period to ¥53,745 million, and the adjusted operating profit margin also improved to approximately 17.7%. The main driver of this profit improvement appears to be a substantial reduction in adjustment items (expenses) such as business and plant restructuring costs that had been recorded in the prior-year period.
Key Products
Growth Drivers
- Steady growth in unit sales of replacement passenger car & light truck tires and Truck & Bus Tires
- Absorption of the impact of rising raw material costs, inflation, and foreign exchange through improved pricing and sales mix
- Generally solid trend in domestic tire demand in Japan
- Solid sales of ultra-large mining tires and premium tires (18 inches and above)
- Continued strategic investment positioning Japan as the core manufacturing hub and global supply base
- Substantial reduction in business and plant restructuring expenses year on year, improving profit levels
Risks
- Risk of softening OE demand affecting unit sales of OE passenger car & light truck tires
- Rising manufacturing costs due to surging raw material prices (natural rubber, etc.) and inflationary impact
- Impact of foreign exchange fluctuations (yen depreciation/appreciation) on export profitability and imported raw material costs
- Declining revenue trend in the Diversified Products Business (cited as a factor reducing revenue group-wide)
- Risk of stricter environmental regulations related to 6PPD and TRWP (an industry-wide challenge)
Last updated: March 18, 2026