Integrating Aisin Seiki and Aisin AW under the single name Aisin (2019)
Undoing, under the parent’s name, a subsidiary that outgrew it
The heart of this integration is that the twin pillars produced by the two decisions of 1965 and 1969 were returned to one for the age of the EV. Folding the company that carried the half-century mainstay of automatic transmissions into a parent no smaller in scale, and unifying even the corporate name, can be read as an effort to harden — inside the company and out — the intent to re-engineer an AT-dependent earnings structure toward electric drive. The character of the reorganization shows in how it dissolved, under the parent’s name, the reversal by which the subsidiary had grown larger than the parent.
That said, making the name and the vessel one does not by itself guarantee competitiveness in electrification. How much of the technology and manufacturing accumulated in automatic transmissions can be carried across to electric drive units, and how the gap with front-runners such as Denso can be closed, are the questions left to management after the integration. Can the AT business — obtained half a century ago by buying into a patent through a joint venture — this time be re-bridged, by Aisin’s own hand, to the next mainstay? Whether the decision proves right cannot be fully judged until that path comes into view.
Revenue and net margin, FY2014–FY2024
Revenue in ¥ bn (bars) and net margin in % (line), for the years around the decision. Shaded columns are FY2019 onwards — after it was taken.
Source: securities reports
Read the full dossier in Japanese →
The Japanese edition carries the complete record of this decision — the situation that forced it, the options weighed, what actually followed, and the sources behind every claim.
Other key decisions at Aisin
Yen amounts are converted at the average rate of each figure’s own year — not today’s rate; the revenue chart is shown in yen. Exchange rates & sources — the full ¥/US$ table →
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Data API
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| Method | Endpoint | Returns |
|---|---|---|
| GET | /api/companies.json | All companies |
| GET | /api/7259/manifest.json | Resource index |
| GET | /api/7259/history.json | History overview |
| GET | /api/7259/timeline.json | Chronology |
| GET | /api/decisions.json | All management decisions (index) |
| GET | /api/7259/decisions.json | Management decisions (index) |
| GET | /api/7259/decisions/{slug}.json | One decision (full dossier) |
| GET | /api/7259/executives.json | Executives |
| GET | /api/7259/shareholders.json | Major shareholders |
| GET | /api/7259/financials.json | Financial statements |
| GET | /api/7259/financials-longterm.json | Long-term results |
| GET | /api/7259/segments.json | Business segments |
| GET | /api/7259/regions.json | Sales by region |
| GET | /api/7259/workforce.json | Workforce |