MUSASHI SEIMITSU INDUSTRY CO.,LTD.
7220・Prime Market・Transportation Equipment
Japan
Segment developing PT, L&S, two-wheeler, and new businesses centered on domestic manufacturing bases
| Period | Current | Previous | Change |
|---|---|---|---|
| Sales (external customers) | ¥41,541 million | ¥39,913 million | ↑ |
| Segment profit | ¥3,517 million | ¥4,387 million | ↓ |
| Segment assets | ¥154,863 million | ¥141,559 million | ↑ |
| Depreciation | ¥2,373 million | ¥2,441 million | ↓ |
| Increase in property, plant and equipment and intangible assets (capital expenditure) | ¥13,837 million | ¥2,678 million | ↑ |
| Sales to Honda Motor Co., Ltd. and its affiliated companies | ¥23,094 million | ¥23,627 million | ↓ |
Business Details
Consists of Musashi Seimitsu Industry Co., Ltd. itself and domestic subsidiaries (Musashi Casting, Musashi Wired, Musashi Energy Solutions, etc.). Manufactures and sells PT (Powertrain) Components, L&S (Linkage & Suspension) Components, and Drivetrain Components for Two-Wheelers, and also operates the Energy Solution Business (HSC) and Smart Industry Business. The main customer is Honda Motor Co., Ltd. and its affiliated companies (sales of ¥23,094 million in FY2026 (ending March 2026)). Inter-segment internal sales to overseas group companies amounted to ¥25,117 million.
Recent Overview
Sales up 4.1% year on year, but segment profit down 19.8% due to increased upfront investment in HSC
In the Japan segment for FY2026 (ending March 2026), sales remained steady, achieving sales of ¥41,541 million (up 4.1% year on year). On the other hand, upfront investment costs for building the production capacity expansion of the Energy Solution Business (HSC) increased significantly, and segment profit declined sharply to ¥3,517 million (down 19.8% year on year). Capital expenditure surged to ¥13,837 million from ¥2,678 million in the previous period, mainly due to the construction of the new Yamanashi plant and the opening of the North American R&D center. In October, a Tokyo office was opened, functioning as a core hub for strategic planning and global expansion.
Key Products
Growth Drivers
- Rapid demand expansion for the Energy Solution Business (HSC) driven by AI data centers, and enhanced production capacity through the operation of the new Yamanashi plant
- Expansion of HSC's overseas business through accelerated North American market development (Austin R&D center opened in December 2025)
- Expansion of orders for Differential Assembly and L&S components for EVs and HEVs (including new customer acquisition)
- Strengthening the profitability of the inspection machine and conveyance businesses within the Smart Industry Business
- Continued business foundation with the Honda Motor group (sales of ¥23,094 million in FY2026 (ending March 2026))
Risks
- Short-term profit pressure due to increased upfront investment costs in the Energy Solution Business (segment profit down 19.8% in FY2026 (ending March 2026))
- Large-scale capital expenditure associated with the construction of the new Yamanashi plant (capital expenditure of ¥13,837 million) and risk of delayed operation start or shortfall in demand
- Sales dependency on the Honda Motor group (accounting for more than half of Japan segment sales)
- Risk of declining inter-segment internal sales of components for overseas markets (¥25,117 million in FY2026 (ending March 2026), down from ¥26,033 million in the previous period)
- Risk of production adjustments by major customers due to the impact of US tariff policy
Last updated: June 22, 2026