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株式会社アルファ logo

ALPHA Corporation

3434Standard MarketMetal Products

株式会社アルファ logo
ALPHA Corporation3434

Automotive Parts Business (Japan)

A core domestic automotive parts segment manufacturing and selling key sets and door handles in Japan

PeriodCurrentPreviousChange
Net sales (segment total, FY2026 (ending March 2026))¥10,273 million¥10,212 million
Segment profit (FY2026 (ending March 2026))¥752 million¥310 million
Segment assets (end of FY2026 (ending March 2026))¥8,525 million¥6,752 million
Depreciation (FY2026 (ending March 2026))¥384 million¥290 million
Increase in tangible and intangible fixed assets (FY2026 (ending March 2026))¥592 million¥233 million

Business Details

Alpha Corporation and its consolidated subsidiaries manufacture and sell mechanical parts such as steering locks and key cylinders, key sets composed of electronic parts such as keyless entry and intelligent key systems, as well as outside door handles and inside door handles, in Japan. Major customers are domestic finished vehicle manufacturers such as the Nissan Motor group, and the segment's performance is linked to trends in domestic and export production volumes. The segment aims to improve profitability through the expansion of value-added products and thorough rationalization and cost-cutting to control fixed costs.

Recent Overview

Achieved increased sales and profit through growth in value-added products and rationalization despite declining customer production volumes

In FY2026 (ending March 2026), although production volumes at customers declined both domestically and for export, net sales to external customers increased to ¥8,152 million (segment total ¥10,273 million), up ¥61 million (0.6%) year on year, driven by an increase in value-added products. Despite some delay in cost recovery, segment profit rose significantly to ¥752 million, up ¥441 million (142.3%) year on year, owing to thorough rationalization and fixed cost control. This profitability improvement was achieved in an environment affected by declining export volumes due to increased U.S. automotive tariffs, indicating progress in strengthening the segment's structural profitability.

Key Products

product
Key Set (Mechanical Parts)

Mechanical key cylinders and steering locks manufactured and sold for domestic automakers. Demand fluctuates in line with domestic and export production volumes.

product
Key Set (Electronic Parts)

A group of electronic components including smart entry systems and keyless entry systems. As value-added products, they contribute to improved profitability, and their expanded sales are one of the growth drivers.

product
Outside Door Handle

Exterior door handles supplied to domestic finished vehicle manufacturers. Development of new products such as seamless door handles is also progressing, and sales growth is expected from new deliveries.

product
Inside Door Handle

Interior door handles supplied to domestic finished vehicle manufacturers. A core product category alongside the Outside Door Handle.

Growth Drivers

  • Sophistication of the sales mix through expanded sales of value-added products (new products such as seamless door handles)
  • Continued profitability improvement through thorough rationalization and fixed cost control
  • Promotion of "development of new businesses and new products" and "strengthening of the profit base" under the medium-term management plan MP2026
  • Expected recovery in production volumes as domestic automakers resume capital investment

Risks

  • Risk of continued production cuts in domestic and export volumes at customers (such as the Nissan Motor group)
  • Impact of reduced automobile exports from Japan due to U.S. tariff policy (not yet factored into earnings forecasts)
  • Risk of profit pressure from increased fixed costs associated with expanded capital investment (increase in fixed assets approximately 2.5 times year on year)
  • Impact on the order structure from declining competitiveness of Japanese finished vehicle manufacturers
  • Risk of increased manufacturing costs due to rising labor costs and raw material costs

Last updated: June 23, 2026