Kobe Steel

Disclosing the quality-data falsification, and the management overhaul (2017)

Key decision·2017· Kobe Steel — the full company history →

A culture of profit first, under a distinguished name

At the root of this misconduct lies the way a composite manufacturer’s separated divisions had each been run against the single yardstick of their own profit. Quality assurance and quality audit sat inside divisions chasing that profit, so that delivery and margin pressure reached the inspection floor — an arrangement only articulated as a structural problem once it was pointed out from outside. That chairman and president Kawasaki acknowledged he had “only been looking at whether profits were there” was candid, and at the same time a measure of the gap between a company praised as first-rate and what was being left unattended beneath it.

Resignations and fines are a necessary settlement, but they do not by themselves replace a corporate culture. In the past too, each scandal brought an apology from the top and a pledge of prevention, and still the disposition that put divisional profit first remained. Whether quality assurance can be separated from the divisions, whether people on the floor can voice dissent — whether the distinguished name survives depends on the plain, long rebuilding that follows the single decision to disclose, and on how well it is done.

Revenue and net margin, FY2012–FY2022

Revenue in ¥ bn (bars) and net margin in % (line), for the years around the decision. Shaded columns are FY2017 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 Kobe Steel


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

Kobe Steel’s history, financials, executives and shareholders are published as static JSON — no key, plain GET. Full specification →

Method Endpoint Returns
GET /api/companies.json All companies
GET /api/5406/manifest.json Resource index
GET /api/5406/history.json History overview
GET /api/5406/timeline.json Chronology
GET /api/decisions.json All management decisions (index)
GET /api/5406/decisions.json Management decisions (index)
GET /api/5406/decisions/{slug}.json One decision (full dossier)
GET /api/5406/executives.json Executives
GET /api/5406/shareholders.json Major shareholders
GET /api/5406/financials.json Financial statements
GET /api/5406/financials-longterm.json Long-term results
GET /api/5406/segments.json Business segments
GET /api/5406/regions.json Sales by region
GET /api/5406/workforce.json Workforce